<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
-->
<
html>
<
script type=
"text/javascript">
window.onload = function() {
var c = document.getElementById(
"b");
var ctx = c.getContext(
"2d");
ctx.fillStyle =
"rgb(0,0,0)";
ctx.fillRect(0,0,100,100);
}
</
script>
<
style>
#a {
width: 200px;
height: 200px;
background-color: rgb(0,255,0);
}
#b {
width: 100px;
height: 100px;
}
</
style>
<
div id=
"a">
<
canvas width=
"100" height=
"100" id=
"b"/>
</
div>
</
html>
