PerformanceTests/DOM/div-editable.html - Issue 1200183002: Add a performance test div-editable.html

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Side by Side Diff: PerformanceTests/DOM/div-editable.html

Issue 1200183002: Add a performance test div-editable.html (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Created 5 years, 6 months ago

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	1 <!DOCTYPE html>

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

	3 <div id="container" style="background-color:lime;" contenteditable></div>

	4 <script>

	5 var div = document.querySelector('div');

	6 div.focus();

	7

	8 PerfTestRunner.measureRunsPerSecond({

	9 description: "Measures performance of adding new lines to an editable div us ing document.execCommand, then clearing it.",

	10 run: function() {

	11 for (var i = 0; i < 500; ++i)

	12 document.execCommand('InsertLineBreak');

	13 for (var i = 0; i < 500; ++i)

	14 document.execCommand('Delete');

	15

	16 for (var i = 0; i < 500; ++i)

	17 document.execCommand('InsertLineBreak');

	18 // Move cursor to the beginning of div.

	19 var range = document.createRange();

	20 range.selectNodeContents(div);

	21 range.collapse(true);

	22 getSelection().removeAllRanges();

	23 getSelection().addRange(range);

	24 for (var i = 0; i < 500; ++i)

	25 document.execCommand('ForwardDelete');

	26 }

	27 });

	28 </script>

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