31 lines
502 B
HTML
31 lines
502 B
HTML
<html>
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<head>
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<style>
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html {
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-webkit-filter: brightness(1.1) contrast(120%);
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}
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#rect {
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background: red;
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width: 100px;
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height: 100px;
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}
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</style>
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</head>
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<body>
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<div id="rect"></div>
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</body>
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<script>
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function changeBackground() {
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document.getElementById("rect").style.background = "green";
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}
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if (window.testRunner) {
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testRunner.dumpAsText(true);
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testRunner.displayAndTrackRepaints();
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changeBackground();
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} else
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window.setTimeout(changeBackground, 250);
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</script>
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</html>
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