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JQ 替换节点

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>

<script src="http://www.mamicode.com/Scripts/jquery-1.4.1.js" type="text/javascript"></script>

<script type="text/javascript">
$(function() {
$("#replace").click(function() {
$("br").replaceWith("<hr/>"); //将所有br替换为hr

$("p").wrap("<font color=‘red‘></font>"); //用红色样式将p标签给包起来

//<font color=‘red‘> <p> 用特定的样式包起来</p></font>
});
})
</script>

</head>
<body>
sdfsdfsdfrgrefg<br />
sdfsdfsdfrgrefg<br />
sdfsdfsdfrgrefg<br />
sdfsdfsdfrgrefg<br />
sdfsdfsdfrgrefg<br />
sdfsdfsdfrgrefg<br />
<p>
用特定的样式包起来</p>
<p>
用特定的样式包起来</p>
<p>
用特定的样式包起来</p>
<p>
用特定的样式包起来</p>
<input type="button" value="http://www.mamicode.com/ReplaceWith" id="replace" />
</body>
</html>