PerformanceTests/Layout/AddWhitespace.html - Issue 1126673002: Test out performance when adding whitespace to the DOM

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Side by Side Diff: PerformanceTests/Layout/AddWhitespace.html

Issue 1126673002: Test out performance when adding whitespace to the DOM (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Updated Created 5 years, 7 months ago

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	1 <!DOCTYPE html>

	2 <html>

	3 <head>
	esprehn 2015/05/04 22:14:38 Leave out html, head, body and title. Leave out html, head, body and title.
	4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">

	5 <title>Adding whitespace performance test</title>

	6 <script src="../resources/runner.js"></script>

	7 </head>

	8 <body>

	9 <pre id="log"></pre>

	10 <div id="test"></div>

	11 <script>

	12 var target = document.getElementById("test");

	13 function test() {

	14 target.innerHTML = '<div style="display: inline-block;"></div>';
	esprehn 2015/05/04 22:14:38 Why inline block? Why inline block?
	15 for (var i = 0; i < 1000; i++) {

	16 var testElement = document.createTextNode(" ");
	esprehn 2015/05/04 22:14:38 This is not very realistic, pages don't have huge This is not very realistic, pages don't have huge sequences of whitespace nodes. I guess this does test something related to whitespace though.
	17 target.insertBefore(testElement, target.firstChild);

	18 }

	19 document.body.offsetTop;

	20 }

	21

	22 PerfTestRunner.measureRunsPerSecond({

	23 description: "Is sensitive to the performance of layout when adding whitespace to a div.",

	24 run: test

	25 });

	26 </script>

	27 </body>

	28 </html>

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