unit-vh-vw-overflow-scroll-x-ref-iframe.html (952B)
1 <style> 2 body { overflow-x: scroll } 3 div { 4 width: 10px; 5 height: 10px; 6 background-color: #d64203; 7 } 8 </style> 9 10 <body> 11 <div style="width: 50px"></div> <!-- Unaffected by scrollbars. --> 12 <div id="b"></div> 13 <div style="width: 35px"></div> <!-- Unaffected by scrollbars. --> 14 <div id="d"></div> 15 16 <!-- Deliberately make scrollbars appear. --> 17 <div style="width: 500px; height: 500px; background-color: black"> 18 </body> 19 20 <script> 21 // client{Width, Height} consist of the area _inside_ the scrollbars, so these 22 // manually calculated units reflect the fact that with 'overflow: scroll' set, 23 // viewport units are sized taking the scrollbars into account. Since we're 24 // only dealing with 'overflow-x' here, only the height units are affected. 25 var vh = 0.01 * document.body.clientHeight; 26 document.getElementById('b').style.height = (25 * vh) + "px"; 27 document.getElementById('d').style.height = (25 * vh) + "px"; 28 </script>