mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-31 22:25:30 +00:00
33 lines
632 B
HTML
33 lines
632 B
HTML
<!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
<script>
|
|
|
|
function boom()
|
|
{
|
|
var mo = document.createElementNS("http://www.w3.org/1998/Math/MathML", "mo");
|
|
var t1 = document.createTextNode("123456 ");
|
|
mo.appendChild(t1);
|
|
document.body.appendChild(mo);
|
|
var t2 = document.createTextNode("x");
|
|
document.body.appendChild(t2);
|
|
|
|
var r1 = document.createRange();
|
|
r1.setEnd(t1, 7);
|
|
var r3 = document.createRange();
|
|
r3.setStart(t1, 7);
|
|
|
|
document.documentElement.offsetHeight;
|
|
|
|
var r2 = document.createRange();
|
|
r2.setStart(t1, 0);
|
|
r2.setEnd(t2, 0);
|
|
r2.deleteContents();
|
|
}
|
|
|
|
</script>
|
|
</head>
|
|
|
|
<body onload="boom();"></body>
|
|
</html>
|