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JS调用监听DOM元素
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>JS调用监听DOM元素</title>
</head>
<script type="text/javascript">
var Core = {};
Core.getElementsByClass = function(theClass)
{
var elementArray = [];
//IE中不支持getElementsByTagName("*")，用document.All。
if (document.all)
{
elementArray = document.all;
}
else
{
elementArray = document.getElementsByTagName("*");
}
var matchedArray = [];
var pattern = new RegExp("(^| )" + theClass + "( |$)");
for (var i = 0; i < elementArray.length; i++)
{
if (pattern.test(elementArray[i].className))
{
matchedArray[matchedArray.length] = elementArray[i];
}
}
return matchedArray;
};
window.onload = function(){
alert(Core.getElementsByClass('a')[0].innerHTML);
Core.getElementsByClass('a')[0].innerHTML = 'hello, I here now!';
return false;
}
</script>
<a href="#~" class="link" onclick="return aa()">click</a>
<div class="a">ddd</div>
</body>
</html>