JavaScript动态修改图片src属性的方法

<!DOCTYPE html>
<html>
<head>
<script>
function changeSrc()
{
document.getElementById("myImage").src="hackanm.gif";
}
</script>
</head>
<body>
<img id="myImage" src="compman.gif" width="107" height="98">
<br><br>
<input type="button" onclick="changeSrc()" value="Change image">
<p><b>Note:</b> The src property can be changed at any time. 
However, the new image inherits the height and width
attributes of the original image,
if not new height and width properties are specified.</p>
</body>
</html>