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Merge pull request #18391 from twbs/double-bitwise-not-comment

util.js: Add comment explaining ~~ trick
This commit is contained in:
XhmikosR 2015-12-05 10:37:27 +02:00
commit 92d0a71fb6

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@ -99,7 +99,7 @@ const Util = (($) => {
getUID(prefix) {
do {
prefix += ~~(Math.random() * 1000000)
prefix += ~~(Math.random() * 1000000) // "~~" acts like a faster Math.floor() here
} while (document.getElementById(prefix))
return prefix
},