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< div class = "container-fluid" >
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< form class = "bd-search d-flex align-items-center" >
< input type = "search" class = "form-control" id = "search-input" placeholder = "Search..." aria-label = "Search for..." autocomplete = "off" >
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< button class = "btn btn-link bd-search-docs-toggle d-md-none p-0 ml-3" type = "button" data-toggle = "collapse" data-target = "#bd-docs-nav" aria-controls = "bd-docs-nav" aria-expanded = "false" aria-label = "Toggle docs navigation" > < svg xmlns = "http://www.w3.org/2000/svg" viewbox = "0 0 30 30" width = "30" height = "30" focusable = "false" > < title > Menu< / title > < path stroke = "currentColor" stroke-width = "2" stroke-linecap = "round" stroke-miterlimit = "10" d = "M4 7h22M4 15h22M4 23h22" / > < / svg >
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< nav class = "collapse bd-links" id = "bd-docs-nav" > < div class = "bd-toc-item" >
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< a class = "bd-toc-link" href = "/docs/4.0/getting-started/introduction/" >
Getting started
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< ul class = "nav bd-sidenav" > < li >
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< a href = "/docs/4.0/getting-started/introduction/" >
Introduction
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Download
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Contents
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< a href = "/docs/4.0/getting-started/browsers-devices/" >
Browsers & devices
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< a href = "/docs/4.0/getting-started/javascript/" >
JavaScript
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< a href = "/docs/4.0/getting-started/theming/" >
Theming
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< a href = "/docs/4.0/getting-started/build-tools/" >
Build tools
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< a href = "/docs/4.0/getting-started/webpack/" >
Webpack
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< a href = "/docs/4.0/getting-started/accessibility/" >
Accessibility
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< a class = "bd-toc-link" href = "/docs/4.0/layout/overview/" >
Layout
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< ul class = "nav bd-sidenav" > < li >
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< a href = "/docs/4.0/layout/overview/" >
Overview
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< a href = "/docs/4.0/layout/grid/" >
Grid
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< a href = "/docs/4.0/layout/media-object/" >
Media object
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< a href = "/docs/4.0/layout/utilities-for-layout/" >
Utilities for layout
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< a class = "bd-toc-link" href = "/docs/4.0/content/reboot/" >
Content
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< ul class = "nav bd-sidenav" > < li >
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< a href = "/docs/4.0/content/reboot/" >
Reboot
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< a href = "/docs/4.0/content/typography/" >
Typography
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< a href = "/docs/4.0/content/code/" >
Code
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< a href = "/docs/4.0/content/images/" >
Images
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< a href = "/docs/4.0/content/tables/" >
Tables
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< a href = "/docs/4.0/content/figures/" >
Figures
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< a class = "bd-toc-link" href = "/docs/4.0/components/alerts/" >
Components
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< ul class = "nav bd-sidenav" > < li >
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< a href = "/docs/4.0/components/alerts/" >
Alerts
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< a href = "/docs/4.0/components/badge/" >
Badge
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< a href = "/docs/4.0/components/breadcrumb/" >
Breadcrumb
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< a href = "/docs/4.0/components/buttons/" >
Buttons
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< a href = "/docs/4.0/components/button-group/" >
Button group
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< a href = "/docs/4.0/components/card/" >
Card
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< a href = "/docs/4.0/components/carousel/" >
Carousel
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< a href = "/docs/4.0/components/collapse/" >
Collapse
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< a href = "/docs/4.0/components/dropdowns/" >
Dropdowns
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< a href = "/docs/4.0/components/forms/" >
Forms
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< a href = "/docs/4.0/components/input-group/" >
Input group
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< a href = "/docs/4.0/components/jumbotron/" >
Jumbotron
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< a href = "/docs/4.0/components/list-group/" >
List group
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< a href = "/docs/4.0/components/modal/" >
Modal
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< a href = "/docs/4.0/components/navs/" >
Navs
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< / a > < / li > < li >
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< a href = "/docs/4.0/components/navbar/" >
Navbar
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< / a > < / li > < li >
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< a href = "/docs/4.0/components/pagination/" >
Pagination
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< / a > < / li > < li >
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< a href = "/docs/4.0/components/popovers/" >
Popovers
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< / a > < / li > < li >
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< a href = "/docs/4.0/components/progress/" >
Progress
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< / a > < / li > < li >
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< a href = "/docs/4.0/components/scrollspy/" >
Scrollspy
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< / a > < / li > < li >
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< a href = "/docs/4.0/components/tooltips/" >
Tooltips
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< / a > < / li > < / ul >
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< / div > < div class = "bd-toc-item" >
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< a class = "bd-toc-link" href = "/docs/4.0/utilities/borders/" >
Utilities
< / a >
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< ul class = "nav bd-sidenav" > < li >
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< a href = "/docs/4.0/utilities/borders/" >
Borders
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< / a > < / li > < li >
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< a href = "/docs/4.0/utilities/clearfix/" >
Clearfix
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< / a > < / li > < li >
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< a href = "/docs/4.0/utilities/close-icon/" >
Close icon
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< / a > < / li > < li >
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< a href = "/docs/4.0/utilities/colors/" >
Colors
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< / a > < / li > < li >
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< a href = "/docs/4.0/utilities/display/" >
Display
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< / a > < / li > < li >
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< a href = "/docs/4.0/utilities/embed/" >
Embed
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< / a > < / li > < li >
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< a href = "/docs/4.0/utilities/flex/" >
Flex
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< / a > < / li > < li >
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< a href = "/docs/4.0/utilities/float/" >
Float
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< / a > < / li > < li >
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< a href = "/docs/4.0/utilities/image-replacement/" >
Image replacement
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< / a > < / li > < li >
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< a href = "/docs/4.0/utilities/position/" >
Position
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< / a > < / li > < li >
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< a href = "/docs/4.0/utilities/screenreaders/" >
Screenreaders
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< / a > < / li > < li >
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< a href = "/docs/4.0/utilities/sizing/" >
Sizing
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< / a > < / li > < li >
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< a href = "/docs/4.0/utilities/spacing/" >
Spacing
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< / a > < / li > < li >
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< a href = "/docs/4.0/utilities/text/" >
Text
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< / a > < / li > < li >
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< a href = "/docs/4.0/utilities/vertical-align/" >
Vertical align
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< / a > < / li > < li >
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< a href = "/docs/4.0/utilities/visibility/" >
Visibility
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< / a > < / li > < / ul >
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< / div > < div class = "bd-toc-item" >
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< a class = "bd-toc-link" href = "/docs/4.0/extend/approach/" >
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Extend
< / a >
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< ul class = "nav bd-sidenav" > < li >
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< a href = "/docs/4.0/extend/approach/" >
Approach
< / a > < / li > < li >
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< a href = "/docs/4.0/extend/icons/" >
Icons
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< / a > < / li > < / ul >
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< / div > < div class = "bd-toc-item" >
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< a class = "bd-toc-link" href = "/docs/4.0/migration/" >
Migration
< / a >
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< ul class = "nav bd-sidenav" > < / ul >
< / div > < div class = "bd-toc-item" >
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< a class = "bd-toc-link" href = "/docs/4.0/about/overview/" >
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About
< / a >
< ul class = "nav bd-sidenav" > < li >
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< a href = "/docs/4.0/about/overview/" >
Overview
< / a > < / li > < li >
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< a href = "/docs/4.0/about/brand/" >
Brand
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< / a > < / li > < li >
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< a href = "/docs/4.0/about/license/" >
License
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< / a > < / li > < li >
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< a href = "/docs/4.0/about/translations/" >
Translations
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< / a > < / li > < / ul >
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< / div > < / nav >
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< / div >
< div class = "d-none d-xl-block col-xl-2 bd-toc" >
< ul class = "section-nav" >
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< li class = "toc-entry toc-h2" > < a href = "#examples" > Examples< / a > < / li >
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< li class = "toc-entry toc-h2" > < a href = "#button-tags" > Button tags< / a > < / li >
< li class = "toc-entry toc-h2" > < a href = "#outline-buttons" > Outline buttons< / a > < / li >
< li class = "toc-entry toc-h2" > < a href = "#sizes" > Sizes< / a > < / li >
< li class = "toc-entry toc-h2" > < a href = "#active-state" > Active state< / a > < / li >
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< li class = "toc-entry toc-h2" > < a href = "#disabled-state" > Disabled state< / a > < / li >
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< li class = "toc-entry toc-h2" > < a href = "#button-plugin" > Button plugin< / a >
< ul >
< li class = "toc-entry toc-h3" > < a href = "#toggle-states" > Toggle states< / a > < / li >
< li class = "toc-entry toc-h3" > < a href = "#checkbox-and-radio-buttons" > Checkbox and radio buttons< / a > < / li >
< li class = "toc-entry toc-h3" > < a href = "#methods" > Methods< / a > < / li >
< / ul >
< / li >
< / ul >
< / div >
< main class = "col-12 col-md-9 col-xl-8 py-md-3 pl-md-5 bd-content" role = "main" >
< h1 class = "bd-title" id = "content" > Buttons< / h1 >
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< p class = "bd-lead" > Use Bootstrap’ < / p >
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< script async src = "https://cdn.carbonads.com/carbon.js?zoneid=1673&serve=C6AILKT&placement=getbootstrapcom" id = "_carbonads_js" > < / script >
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< h2 id = "examples" > Examples< / h2 >
< p > Bootstrap includes several predefined button styles, each serving its own semantic purpose, with a few extras thrown in for more control.< / p >
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< div class = "bd-example" >
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< button type = "button" class = "btn btn-primary" > Primary< / button >
< button type = "button" class = "btn btn-secondary" > Secondary< / button >
< button type = "button" class = "btn btn-success" > Success< / button >
< button type = "button" class = "btn btn-danger" > Danger< / button >
< button type = "button" class = "btn btn-warning" > Warning< / button >
< button type = "button" class = "btn btn-info" > Info< / button >
< button type = "button" class = "btn btn-light" > Light< / button >
< button type = "button" class = "btn btn-dark" > Dark< / button >
< button type = "button" class = "btn btn-link" > Link< / button >
< / div >
< div class = "highlight" > < pre > < code class = "language-html" data-lang = "html" > < span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-primary"< / span > < span class = "nt" > > < / span > Primary< span class = "nt" > < /button> < / span >
< span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-secondary"< / span > < span class = "nt" > > < / span > Secondary< span class = "nt" > < /button> < / span >
< span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-success"< / span > < span class = "nt" > > < / span > Success< span class = "nt" > < /button> < / span >
< span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-danger"< / span > < span class = "nt" > > < / span > Danger< span class = "nt" > < /button> < / span >
< span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-warning"< / span > < span class = "nt" > > < / span > Warning< span class = "nt" > < /button> < / span >
< span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-info"< / span > < span class = "nt" > > < / span > Info< span class = "nt" > < /button> < / span >
< span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-light"< / span > < span class = "nt" > > < / span > Light< span class = "nt" > < /button> < / span >
< span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-dark"< / span > < span class = "nt" > > < / span > Dark< span class = "nt" > < /button> < / span >
< span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-link"< / span > < span class = "nt" > > < / span > Link< span class = "nt" > < /button> < / span > < / code > < / pre > < / div >
< div class = "bd-callout bd-callout-warning" >
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< h5 id = "conveying-meaning-to-assistive-technologies" > Conveying meaning to assistive technologies< / h5 >
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< p > Using color to add meaning only provides a visual indication, which will not be conveyed to users of assistive technologies – < code class = "highlighter-rouge" > .sr-only< / code > class.< / p >
< / div >
< h2 id = "button-tags" > Button tags< / h2 >
< p > The < code class = "highlighter-rouge" > .btn< / code > classes are designed to be used with the < code class = "highlighter-rouge" > < button> < / code > element. However, you can also use these classes on < code class = "highlighter-rouge" > < a> < / code > or < code class = "highlighter-rouge" > < input> < / code > elements (though some browsers may apply a slightly different rendering).< / p >
< p > When using button classes on < code class = "highlighter-rouge" > < a> < / code > elements that are used to trigger in-page functionality (like collapsing content), rather than linking to new pages or sections within the current page, these links should be given a < code class = "highlighter-rouge" > role="button"< / code > to appropriately convey their purpose to assistive technologies such as screen readers.< / p >
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< div class = "bd-example" >
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< a class = "btn btn-primary" href = "#" role = "button" > Link< / a >
< button class = "btn btn-primary" type = "submit" > Button< / button >
< input class = "btn btn-primary" type = "button" value = "Input" / >
< input class = "btn btn-primary" type = "submit" value = "Submit" / >
< input class = "btn btn-primary" type = "reset" value = "Reset" / >
< / div >
< div class = "highlight" > < pre > < code class = "language-html" data-lang = "html" > < span class = "nt" > < a< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-primary"< / span > < span class = "na" > href=< / span > < span class = "s" > "#"< / span > < span class = "na" > role=< / span > < span class = "s" > "button"< / span > < span class = "nt" > > < / span > Link< span class = "nt" > < /a> < / span >
< span class = "nt" > < button< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-primary"< / span > < span class = "na" > type=< / span > < span class = "s" > "submit"< / span > < span class = "nt" > > < / span > Button< span class = "nt" > < /button> < / span >
< span class = "nt" > < input< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-primary"< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > value=< / span > < span class = "s" > "Input"< / span > < span class = "nt" > > < / span >
< span class = "nt" > < input< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-primary"< / span > < span class = "na" > type=< / span > < span class = "s" > "submit"< / span > < span class = "na" > value=< / span > < span class = "s" > "Submit"< / span > < span class = "nt" > > < / span >
< span class = "nt" > < input< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-primary"< / span > < span class = "na" > type=< / span > < span class = "s" > "reset"< / span > < span class = "na" > value=< / span > < span class = "s" > "Reset"< / span > < span class = "nt" > > < / span > < / code > < / pre > < / div >
< h2 id = "outline-buttons" > Outline buttons< / h2 >
< p > In need of a button, but not the hefty background colors they bring? Replace the default modifier classes with the < code class = "highlighter-rouge" > .btn-outline-*< / code > ones to remove all background images and colors on any button.< / p >
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< div class = "bd-example" >
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< button type = "button" class = "btn btn-outline-primary" > Primary< / button >
< button type = "button" class = "btn btn-outline-secondary" > Secondary< / button >
< button type = "button" class = "btn btn-outline-success" > Success< / button >
< button type = "button" class = "btn btn-outline-danger" > Danger< / button >
< button type = "button" class = "btn btn-outline-warning" > Warning< / button >
< button type = "button" class = "btn btn-outline-info" > Info< / button >
< button type = "button" class = "btn btn-outline-light" > Light< / button >
< button type = "button" class = "btn btn-outline-dark" > Dark< / button >
< / div >
< div class = "highlight" > < pre > < code class = "language-html" data-lang = "html" > < span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-outline-primary"< / span > < span class = "nt" > > < / span > Primary< span class = "nt" > < /button> < / span >
< span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-outline-secondary"< / span > < span class = "nt" > > < / span > Secondary< span class = "nt" > < /button> < / span >
< span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-outline-success"< / span > < span class = "nt" > > < / span > Success< span class = "nt" > < /button> < / span >
< span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-outline-danger"< / span > < span class = "nt" > > < / span > Danger< span class = "nt" > < /button> < / span >
< span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-outline-warning"< / span > < span class = "nt" > > < / span > Warning< span class = "nt" > < /button> < / span >
< span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-outline-info"< / span > < span class = "nt" > > < / span > Info< span class = "nt" > < /button> < / span >
< span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-outline-light"< / span > < span class = "nt" > > < / span > Light< span class = "nt" > < /button> < / span >
< span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-outline-dark"< / span > < span class = "nt" > > < / span > Dark< span class = "nt" > < /button> < / span > < / code > < / pre > < / div >
< h2 id = "sizes" > Sizes< / h2 >
< p > Fancy larger or smaller buttons? Add < code class = "highlighter-rouge" > .btn-lg< / code > or < code class = "highlighter-rouge" > .btn-sm< / code > for additional sizes.< / p >
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< div class = "bd-example" >
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< button type = "button" class = "btn btn-primary btn-lg" > Large button< / button >
< button type = "button" class = "btn btn-secondary btn-lg" > Large button< / button >
< / div >
< div class = "highlight" > < pre > < code class = "language-html" data-lang = "html" > < span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-primary btn-lg"< / span > < span class = "nt" > > < / span > Large button< span class = "nt" > < /button> < / span >
< span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-secondary btn-lg"< / span > < span class = "nt" > > < / span > Large button< span class = "nt" > < /button> < / span > < / code > < / pre > < / div >
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< div class = "bd-example" >
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< button type = "button" class = "btn btn-primary btn-sm" > Small button< / button >
< button type = "button" class = "btn btn-secondary btn-sm" > Small button< / button >
< / div >
< div class = "highlight" > < pre > < code class = "language-html" data-lang = "html" > < span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-primary btn-sm"< / span > < span class = "nt" > > < / span > Small button< span class = "nt" > < /button> < / span >
< span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-secondary btn-sm"< / span > < span class = "nt" > > < / span > Small button< span class = "nt" > < /button> < / span > < / code > < / pre > < / div >
< p > Create block level buttons—those that span the full width of a parent—by adding < code class = "highlighter-rouge" > .btn-block< / code > .< / p >
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< div class = "bd-example" >
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< button type = "button" class = "btn btn-primary btn-lg btn-block" > Block level button< / button >
< button type = "button" class = "btn btn-secondary btn-lg btn-block" > Block level button< / button >
< / div >
< div class = "highlight" > < pre > < code class = "language-html" data-lang = "html" > < span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-primary btn-lg btn-block"< / span > < span class = "nt" > > < / span > Block level button< span class = "nt" > < /button> < / span >
< span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-secondary btn-lg btn-block"< / span > < span class = "nt" > > < / span > Block level button< span class = "nt" > < /button> < / span > < / code > < / pre > < / div >
< h2 id = "active-state" > Active state< / h2 >
< p > Buttons will appear pressed (with a darker background, darker border, and inset shadow) when active. < strong > There’ < code class = "highlighter-rouge" > < button> < / code > s as they use a pseudo-class< / strong > . However, you can still force the same active appearance with < code class = "highlighter-rouge" > .active< / code > (and include the < code > aria-pressed="true"< / code > attribute) should you need to replicate the state programmatically.< / p >
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< div class = "bd-example" >
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< a href = "#" class = "btn btn-primary btn-lg active" role = "button" aria-pressed = "true" > Primary link< / a >
< a href = "#" class = "btn btn-secondary btn-lg active" role = "button" aria-pressed = "true" > Link< / a >
< / div >
< div class = "highlight" > < pre > < code class = "language-html" data-lang = "html" > < span class = "nt" > < a< / span > < span class = "na" > href=< / span > < span class = "s" > "#"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-primary btn-lg active"< / span > < span class = "na" > role=< / span > < span class = "s" > "button"< / span > < span class = "na" > aria-pressed=< / span > < span class = "s" > "true"< / span > < span class = "nt" > > < / span > Primary link< span class = "nt" > < /a> < / span >
< span class = "nt" > < a< / span > < span class = "na" > href=< / span > < span class = "s" > "#"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-secondary btn-lg active"< / span > < span class = "na" > role=< / span > < span class = "s" > "button"< / span > < span class = "na" > aria-pressed=< / span > < span class = "s" > "true"< / span > < span class = "nt" > > < / span > Link< span class = "nt" > < /a> < / span > < / code > < / pre > < / div >
< h2 id = "disabled-state" > Disabled state< / h2 >
< p > Make buttons look inactive by adding the < code class = "highlighter-rouge" > disabled< / code > boolean attribute to any < code class = "highlighter-rouge" > < button> < / code > element.< / p >
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< div class = "bd-example" >
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< button type = "button" class = "btn btn-lg btn-primary" disabled = "" > Primary button< / button >
< button type = "button" class = "btn btn-secondary btn-lg" disabled = "" > Button< / button >
< / div >
< div class = "highlight" > < pre > < code class = "language-html" data-lang = "html" > < span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-lg btn-primary"< / span > < span class = "na" > disabled< / span > < span class = "nt" > > < / span > Primary button< span class = "nt" > < /button> < / span >
< span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-secondary btn-lg"< / span > < span class = "na" > disabled< / span > < span class = "nt" > > < / span > Button< span class = "nt" > < /button> < / span > < / code > < / pre > < / div >
< p > Disabled buttons using the < code class = "highlighter-rouge" > < a> < / code > element behave a bit different:< / p >
< ul >
< li > < code class = "highlighter-rouge" > < a> < / code > s don’ < code class = "highlighter-rouge" > disabled< / code > attribute, so you must add the < code class = "highlighter-rouge" > .disabled< / code > class to make it visually appear disabled.< / li >
< li > Some future-friendly styles are included to disable all < code class = "highlighter-rouge" > pointer-events< / code > on anchor buttons. In browsers which support that property, you won’ < / li >
< li > Disabled buttons should include the < code class = "highlighter-rouge" > aria-disabled="true"< / code > attribute to indicate the state of the element to assistive technologies.< / li >
< / ul >
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< div class = "bd-example" >
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< a href = "#" class = "btn btn-primary btn-lg disabled" role = "button" aria-disabled = "true" > Primary link< / a >
< a href = "#" class = "btn btn-secondary btn-lg disabled" role = "button" aria-disabled = "true" > Link< / a >
< / div >
< div class = "highlight" > < pre > < code class = "language-html" data-lang = "html" > < span class = "nt" > < a< / span > < span class = "na" > href=< / span > < span class = "s" > "#"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-primary btn-lg disabled"< / span > < span class = "na" > role=< / span > < span class = "s" > "button"< / span > < span class = "na" > aria-disabled=< / span > < span class = "s" > "true"< / span > < span class = "nt" > > < / span > Primary link< span class = "nt" > < /a> < / span >
< span class = "nt" > < a< / span > < span class = "na" > href=< / span > < span class = "s" > "#"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-secondary btn-lg disabled"< / span > < span class = "na" > role=< / span > < span class = "s" > "button"< / span > < span class = "na" > aria-disabled=< / span > < span class = "s" > "true"< / span > < span class = "nt" > > < / span > Link< span class = "nt" > < /a> < / span > < / code > < / pre > < / div >
< div class = "bd-callout bd-callout-warning" >
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< h5 id = "link-functionality-caveat" > Link functionality caveat< / h5 >
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< p > The < code class = "highlighter-rouge" > .disabled< / code > class uses < code class = "highlighter-rouge" > pointer-events: none< / code > to try to disable the link functionality of < code class = "highlighter-rouge" > < a> < / code > s, but that CSS property is not yet standardized. In addition, even in browsers that do support < code class = "highlighter-rouge" > pointer-events: none< / code > , keyboard navigation remains unaffected, meaning that sighted keyboard users and users of assistive technologies will still be able to activate these links. So to be safe, add a < code class = "highlighter-rouge" > tabindex="-1"< / code > attribute on these links (to prevent them from receiving keyboard focus) and use custom JavaScript to disable their functionality.< / p >
< / div >
< h2 id = "button-plugin" > Button plugin< / h2 >
< p > Do more with buttons. Control button states or create groups of buttons for more components like toolbars.< / p >
< h3 id = "toggle-states" > Toggle states< / h3 >
< p > Add < code class = "highlighter-rouge" > data-toggle="button"< / code > to toggle a button’ < code class = "highlighter-rouge" > active< / code > state. If you’ < code class = "highlighter-rouge" > .active< / code > class < strong > and< / strong > < code class = "highlighter-rouge" > aria-pressed="true"< / code > to the < code class = "highlighter-rouge" > < button> < / code > .< / p >
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< div class = "bd-example" >
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< button type = "button" class = "btn btn-primary" data-toggle = "button" aria-pressed = "false" autocomplete = "off" >
Single toggle
< / button >
< / div >
< div class = "highlight" > < pre > < code class = "language-html" data-lang = "html" > < span class = "nt" > < button< / span > < span class = "na" > type=< / span > < span class = "s" > "button"< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-primary"< / span > < span class = "na" > data-toggle=< / span > < span class = "s" > "button"< / span > < span class = "na" > aria-pressed=< / span > < span class = "s" > "false"< / span > < span class = "na" > autocomplete=< / span > < span class = "s" > "off"< / span > < span class = "nt" > > < / span >
Single toggle
< span class = "nt" > < /button> < / span > < / code > < / pre > < / div >
< h3 id = "checkbox-and-radio-buttons" > Checkbox and radio buttons< / h3 >
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< p > Bootstrap’ < code class = "highlighter-rouge" > .button< / code > styles can be applied to other elements, such as < code class = "highlighter-rouge" > < label> < / code > s, to provide checkbox or radio style button toggling. Add < code class = "highlighter-rouge" > data-toggle="buttons"< / code > to a < code class = "highlighter-rouge" > .btn-group< / code > containing those modified buttons to enable their toggling behavior via JavaScript and add < code class = "highlighter-rouge" > .btn-group-toggle< / code > to style the < code class = "highlighter-rouge" > < input> < / code > s within your buttons. < strong > Note that you can create single input-powered buttons or groups of them.< / strong > < / p >
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< p > The checked state for these buttons is < strong > only updated via < code class = "highlighter-rouge" > click< / code > event< / strong > on the button. If you use another method to update the input—e.g., with < code class = "highlighter-rouge" > < input type="reset"> < / code > or by manually applying the input’ < code class = "highlighter-rouge" > checked< / code > property—you’ < code class = "highlighter-rouge" > .active< / code > on the < code class = "highlighter-rouge" > < label> < / code > manually.< / p >
< p > Note that pre-checked buttons require you to manually add the < code class = "highlighter-rouge" > .active< / code > class to the input’ < code class = "highlighter-rouge" > < label> < / code > .< / p >
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< div class = "bd-example" >
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< div class = "btn-group-toggle" data-toggle = "buttons" >
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< label class = "btn btn-secondary active" >
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< input type = "checkbox" checked = "" autocomplete = "off" / > Checked
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< / label >
< / div >
< / div >
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< div class = "highlight" > < pre > < code class = "language-html" data-lang = "html" > < span class = "nt" > < div< / span > < span class = "na" > class=< / span > < span class = "s" > "btn-group-toggle"< / span > < span class = "na" > data-toggle=< / span > < span class = "s" > "buttons"< / span > < span class = "nt" > > < / span >
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< span class = "nt" > < label< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-secondary active"< / span > < span class = "nt" > > < / span >
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< span class = "nt" > < input< / span > < span class = "na" > type=< / span > < span class = "s" > "checkbox"< / span > < span class = "na" > checked< / span > < span class = "na" > autocomplete=< / span > < span class = "s" > "off"< / span > < span class = "nt" > > < / span > Checked
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< span class = "nt" > < /label> < / span >
< span class = "nt" > < /div> < / span > < / code > < / pre > < / div >
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< div class = "bd-example" >
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< div class = "btn-group btn-group-toggle" data-toggle = "buttons" >
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< label class = "btn btn-secondary active" >
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< input type = "radio" name = "options" id = "option1" autocomplete = "off" checked = "" / > Active
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< / label >
< label class = "btn btn-secondary" >
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< input type = "radio" name = "options" id = "option2" autocomplete = "off" / > Radio
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< / label >
< label class = "btn btn-secondary" >
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< input type = "radio" name = "options" id = "option3" autocomplete = "off" / > Radio
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< / label >
< / div >
< / div >
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< div class = "highlight" > < pre > < code class = "language-html" data-lang = "html" > < span class = "nt" > < div< / span > < span class = "na" > class=< / span > < span class = "s" > "btn-group btn-group-toggle"< / span > < span class = "na" > data-toggle=< / span > < span class = "s" > "buttons"< / span > < span class = "nt" > > < / span >
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< span class = "nt" > < label< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-secondary active"< / span > < span class = "nt" > > < / span >
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< span class = "nt" > < input< / span > < span class = "na" > type=< / span > < span class = "s" > "radio"< / span > < span class = "na" > name=< / span > < span class = "s" > "options"< / span > < span class = "na" > id=< / span > < span class = "s" > "option1"< / span > < span class = "na" > autocomplete=< / span > < span class = "s" > "off"< / span > < span class = "na" > checked< / span > < span class = "nt" > > < / span > Active
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< span class = "nt" > < /label> < / span >
< span class = "nt" > < label< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-secondary"< / span > < span class = "nt" > > < / span >
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< span class = "nt" > < input< / span > < span class = "na" > type=< / span > < span class = "s" > "radio"< / span > < span class = "na" > name=< / span > < span class = "s" > "options"< / span > < span class = "na" > id=< / span > < span class = "s" > "option2"< / span > < span class = "na" > autocomplete=< / span > < span class = "s" > "off"< / span > < span class = "nt" > > < / span > Radio
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< span class = "nt" > < /label> < / span >
< span class = "nt" > < label< / span > < span class = "na" > class=< / span > < span class = "s" > "btn btn-secondary"< / span > < span class = "nt" > > < / span >
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< span class = "nt" > < input< / span > < span class = "na" > type=< / span > < span class = "s" > "radio"< / span > < span class = "na" > name=< / span > < span class = "s" > "options"< / span > < span class = "na" > id=< / span > < span class = "s" > "option3"< / span > < span class = "na" > autocomplete=< / span > < span class = "s" > "off"< / span > < span class = "nt" > > < / span > Radio
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< span class = "nt" > < /label> < / span >
< span class = "nt" > < /div> < / span > < / code > < / pre > < / div >
< h3 id = "methods" > Methods< / h3 >
< table >
< thead >
< tr >
< th > Method< / th >
< th > Description< / th >
< / tr >
< / thead >
< tbody >
< tr >
< td > < code class = "highlighter-rouge" > $().button('toggle')< / code > < / td >
< td > Toggles push state. Gives the button the appearance that it has been activated.< / td >
< / tr >
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< tr >
< td > < code class = "highlighter-rouge" > $().button('dispose')< / code > < / td >
< td > Destroys an element’ < / td >
< / tr >
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< / tbody >
< / table >
< / main >
< / div >
< / div >
< script src = "https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity = "sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin = "anonymous" > < / script >
< script > window . jQuery || document . write ( '<script src="/assets/js/vendor/jquery-slim.min.js"><\/script>' ) < / script >
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< script src = "/assets/js/vendor/popper.min.js" integrity = "sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin = "anonymous" > < / script > < script src = "/dist/js/bootstrap.min.js" integrity = "sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin = "anonymous" > < / script > < script src = "https://cdn.jsdelivr.net/npm/docsearch.js@2/dist/cdn/docsearch.min.js" > < / script > < script src = "/assets/js/docs.min.js" > < / script >
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< / body >
< / html >
