layout/reftests/css-valuesandunits/unit-vh-vw-overflow-scroll-ref-iframe.html

   1 <style>
   2   body { overflow: scroll }
   3   div {
   4     width: 10px;
   5     height: 10px;
   6     background-color: #d64203;
   7   }
   8 </style>
   9
  10 <body>
  11   <div id="a"></div>
  12   <div id="b"></div>
  13   <div id="c"></div>
  14   <div id="d"></div>
  15
  16   <!--
  17   Ensure that the scroller positioned the same way as it would be in the
  18   'overflow: auto' case. We'll have scrollbars either way, but we don't
  19   want the '!=' reftest to spuriously succeed because of the scrollers.
  20   -->
  21   <div style="width: 500px; height: 500px; background-color: black">
  22 </body>
  23
  24 <script>
  25   // client{Width, Height} consist of the area _inside_ the scrollbars, so these
  26   // manually calculated units reflect the fact that with 'overflow: scroll' set,
  27   // viewport units are sized taking the scrollbars into account.
  28   var vw = 0.01 * document.body.clientWidth;
  29   var vh = 0.01 * document.body.clientHeight;
  30   var vmin = Math.min(vw, vh);
  31   var vmax = Math.max(vw, vh);
  32   document.getElementById('a').style.width = (50 * vw) + "px";
  33   document.getElementById('b').style.height = (25 * vh) + "px";
  34   document.getElementById('c').style.width = (35 * vmin) + "px";
  35   document.getElementById('d').style.height = (25 * vmax) + "px";
  36 </script>