147302 2015-07-25 21:34:31 -0700 Web Inspector: Start using Node.prototype.before 2015-07-25 21:45:17 -0700 1 1 1 Unclassified WebKit Web Inspector 528+ (Nightly build) All All RESOLVED WONTFIX https://bugs.webkit.org/show_bug.cgi?id=147301 InRadar P2 Normal --- 1 nvasilyev nvasilyev graouts joepeck jonowells mattbaker nvasilyev timothy webkit-bug-importer oldest_to_newest 1112271 0 nvasilyev 2015-07-25 21:34:31 -0700 https://bugs.webkit.org/show_bug.cgi?id=74648 introduced Node.prototype.append, among a few other DOM methods. Convert the following code: refElem.parendNode.insertBefore(newElem, refElem) to refElem.before(newElem) However, we can't safely convert all occurrences of "insertBefore" to "before". baseElem.insertBefore(newElem, refElem) refElem could be a null here. refElem.before(newElem) would cause an error. 1112272 1 webkit-bug-importer 2015-07-25 21:34:51 -0700 <rdar://problem/22000400> 1112273 2 nvasilyev 2015-07-25 21:43:13 -0700 I have found only one instance that satisfier the following requirement: elemA.parentElement.insertBefore(highlightNode, elemA); \ / \------------------ same elements ------------/ https://github.com/WebKit/webkit/blob/981bae9952b1f312b89d362fd39768c075408669/Source/WebInspectorUI/UserInterface/Base/Main.js#L1990 Probably doesn't worth a patch.