gecko-dev/layout/reftests/css-valuesandunits/unit-vh-vw-overflow-auto-ref-iframe.html

38 lines
1.2 KiB
HTML

<style>
body { overflow: hidden }
div {
width: 10px;
height: 10px;
background-color: #d64203;
}
</style>
<body>
<div id="a"></div>
<div id="b"></div>
<div id="c"></div>
<div id="d"></div>
<!--
Deliberately make the scrollbars appear to ensure that with 'overflow: auto'
viewport units are calculated as if the scrollbars are _not_ there.
-->
<div style="width: 500px; height: 500px; background-color: black">
</body>
<script>
// client{Width, Height} consist of the area _inside_ the scrollbars, so we need
// to calculate these units with 'overflow: hidden' set to ensure that there are
// no scrollbars. This reflects the fact that with 'overflow: auto' set, viewport
// units are sized without taking the scrollbars into account.
var vw = 0.01 * document.body.clientWidth;
var vh = 0.01 * document.body.clientHeight;
var vmin = Math.min(vw, vh);
var vmax = Math.max(vw, vh);
document.body.style.overflow = "auto";
document.getElementById('a').style.width = (50 * vw) + "px";
document.getElementById('b').style.height = (25 * vh) + "px";
document.getElementById('c').style.width = (35 * vmin) + "px";
document.getElementById('d').style.height = (25 * vmax) + "px";
</script>