32 lines
621 B
HTML
32 lines
621 B
HTML
<style>
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.parent {
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position: relative;
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background-color: black;
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width: 100px;
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height: 100px;
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}
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.child {
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background-color: 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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<div class=parent>
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<div class=child>
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</div>
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</div>
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<div class=parent>
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<div>
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<div class=child>
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</div>
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</div>
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</div>
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<script>
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document.body.offsetTop;
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if (window.testRunner)
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testRunner.displayAndTrackRepaints();
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var children = document.getElementsByClassName("child");
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children[0].style.backgroundColor = "rgba(0,255,0,0.5)";
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children[1].style.backgroundColor = "rgba(0,255,0,0.5)";
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</script>
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