blob: 16018568aa5a36987e5f46a2775a762c1e8525a0 [file] [log] [blame]
<!DOCTYPE html>
<math>
<mfrac id="mfrac"><mn>1</mn><mn>2</mn></mfrac>
<msqrt id="msqrt"><mi>a</mi><mi>b</mi><mi>c</mi></msqrt>
<mn id="mn4">4</mn>
<mn id="mn5">5</mn>
<mn id="mn6">6</mn>
<mn id="mn7">7</mn>
</math>
<script>
document.body.offsetTop;
var mfrac = document.getElementById("mfrac");
mfrac.replaceChild(document.getElementById("mn4"), mfrac.lastChild);
mfrac.replaceChild(document.getElementById("mn5"), mfrac.firstChild);
var msqrt = document.getElementById("msqrt");
msqrt.replaceChild(document.getElementById("mn6"), msqrt.firstChild);
msqrt.replaceChild(document.getElementById("mn7"), msqrt.lastChild);
</script>