jQuery 删除或是清空某个HTML元素示例

攻城狮钰浩技术 2022年11月12日

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jQuery使用下面两个方法来删除或是清空某个HTML元素。

remove() – 删除指定的元素（包括其子元素）
empty() – 清空指定元素的子元素

1.remove()

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>JQuery Demo</title>
<script src="scripts/jquery-1.9.1.js"></script>
<script>
$(document).ready(function () {
$("button").click(function () {
$("#div1").remove();
});
});
</script>
</head>
<body> <div id="div1" style="height: 100px; width: 300px;
border: 1px solid black; background-color: yellow;">
This is some text in the div.
<p>This is a paragraph in the div.</p>
<p>This is another paragraph in the div.</p> </div>
<br>
<button>Remove div element</button> </body>
</html>

2.empty

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>JQuery Demo</title>
<script src="scripts/jquery-1.9.1.js"></script>
<script>
    $(document).ready(function () {
        $("button").click(function () {
        $("#div1").empty();
        });
    });
</script>
</head>
<body> <div id="div1" style="height: 100px; width: 300px;
    border: 1px solid black; background-color: yellow;">
    This is some text in the div.
    <p>This is a paragraph in the div.</p>
    <p>This is another paragraph in the div.</p>
</div>
<br>
<button>Empty the div element</button> </body>
</html>