请问:如何计算innerHEML中的'<BR>'的个数

Question

楼上的好像不OK<div id="d1">
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
</div>
<SCRIPT language=JScript>
for(var i=0,l=d1.children.length,k=0;i<l;i++){
if(d1.children[i].tagName=="BR")k++;
}
alert(k);</SCRIPT>

Answer 1

alert(document.getElementById("d1").getElementsByTagName("br").length);

Answer 2

你可以去http://www.lepoo.com看看!

Answer 3

<div id="text">
fdsfsdfsd<br>fdsfsdfsdfsd<br>fdsfsdfsd
</div><script type="text/javascript">
alert(document.getElementById('text').innerHTML.match(/<br>/gi).length);
</script>