Created
January 24, 2017 17:47
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| (function() { | |
| var result = []; | |
| function isProblematic(style) { | |
| if (style.overflow !== 'visible') { | |
| if (style.borderTopLeftRadius !== '0px' || style.borderTopRightRadius !== '0px') { | |
| return true; | |
| } | |
| if (style.borderBottomLeftRadius !== '0px' || style.borderBottomRightRadius !== '0px') { | |
| return true; | |
| } | |
| } | |
| return false; | |
| } | |
| function visitElement(el, parentStyle) { | |
| var style = window.getComputedStyle(el); | |
| if (isProblematic(style)) { | |
| result.push(el); | |
| } | |
| for (var i = 0; i < el.children.length; i++) { | |
| visitElement(el.children[i], style); | |
| } | |
| } | |
| visitElement(window.document.documentElement, {}); | |
| console.log('IE paint performance killers: ' + result.length + ' elements'); | |
| result.forEach(function(el) { | |
| console.error(el.nodeName + ' id=' + el.id + ' class=' + el.className); | |
| }); | |
| if (result.length > 0) { | |
| window.problematic = result; | |
| console.log('See window.problematic'); | |
| } | |
| })(); |
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