- append()向每个匹配的元素内部追加内容
- prepend()向每个匹配的元素内部前置内容
- appendTo()把所有匹配的元素追加到另一个指定元素的集合中
- prependTo()把所有匹配的元素前置到另一个指定的元素集合中
实例1:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>jquery</title>
<link rel="stylesheet" type="text/css" href="styles/jquery.css">
<script type="text/javascript" src="scripts/jquery-3.2.0.min.js"></script>
</head>
<body>
<h1>Hello world!</h1>
<button>please!</button>
<div>you are beautiful</div>
<script type="text/javascript">
$(document).ready(function() {
$("button").on("click",function() {
$(".div").prepend("<p>hello boston</p");
});
});
</script>
</body>
</html>

实例2:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>jquery</title>
<link rel="stylesheet" type="text/css" href="styles/jquery.css">
<script type="text/javascript" src="scripts/jquery-3.2.0.min.js"></script>
</head>
<body>
<h1>Hello world!</h1>
<button>please!</button>
<div>you are beautiful</div>
<script type="text/javascript">
$(document).ready(function() {
$("button").on("click",function() {
$("<p>hello boston</p>").prependTo("button");
});
});
</script>
</body>
</html>
结果:


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