jQuery 入门教程(15): 删除HTML元素

java哥阅读：735 2021-04-01 09:59:57 评论：0

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

例如：

[html] view plain copy print ?

<!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>

<!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>

empty() 示例：

[html] view plain copy print ?

<!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>

<!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>

jQuery的remove()方法也支持一个参数，可以用于过滤一些需要删除的HTML元素。这个参数可以为任何有效的jQuery selector.
比如下面代码只删除class=”italic”的<p>元素：

[javascript] view plain copy print ?

$("p").remove(".italic");

标签:jquery

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