1. append() 在结尾处添加元素
<!DOCTYPE html>
<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<script type="text/javascript" src="js/jquery-1.11.3.js"></script>
<script>
$(function(){
$("#btn1").click(function(){
$("p").append("<b>Append text</b>.");
});
$("#btn2").click(function(){
$("ol").append("<li>Append item.</li>")
})
});
</script>
</head>
<body>
<p>This is a paragraph.</p>
<p>This is another paragraph.</p>
<ol>
<li>List item1</li>
<li>List item2</li>
<li>List item3</li>
</ol>
<button id="btn1">追加文本</button>
<button id="btn2">追加列表项</button>
</body>
</html>
2. prepend()在前面加入
<!DOCTYPE html>
<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<script type="text/javascript" src="js/jquery-1.11.3.js"></script>
<script>
$(function(){
$("#btn1").click(function(){
$("p").append("<b>Append text</b>.");
});
$("#btn2").click(function(){
$("ol").append("<li>Append item.</li>");
});
$("#btn3").click(function(){
$("p").prepend("<b>prepend text</b>");
});
$("#btn4").click(function(){
$("ol").prepend("<li>prepend text.</li>")
})
});
</script>
</head>
<body>
<p>This is a paragraph.</p>
<p>This is another paragraph.</p>
<ol>
<li>List item1</li>
<li>List item2</li>
<li>List item3</li>
</ol>
<button id="btn1">追加文本</button>
<button id="btn2">追加列表项</button>
<button id="btn3">在前面加入文本</button>
<button id="btn4">在前面列表项</button>
</body>
</html>