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- <style>
- body { overflow-x: scroll }
- div {
- width: 10px;
- height: 10px;
- background-color: #d64203;
- }
- </style>
- <body>
- <div style="width: 50px"></div> <!-- Unaffected by scrollbars. -->
- <div id="b"></div>
- <div style="width: 35px"></div> <!-- Unaffected by scrollbars. -->
- <div id="d"></div>
- <!-- Deliberately make scrollbars appear. -->
- <div style="width: 500px; height: 500px; background-color: black">
- </body>
- <script>
- // client{Width, Height} consist of the area _inside_ the scrollbars, so these
- // manually calculated units reflect the fact that with 'overflow: scroll' set,
- // viewport units are sized taking the scrollbars into account. Since we're
- // only dealing with 'overflow-x' here, only the height units are affected.
- var vh = 0.01 * document.body.clientHeight;
- document.getElementById('b').style.height = (25 * vh) + "px";
- document.getElementById('d').style.height = (25 * vh) + "px";
- </script>
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