With jQuery, you can easily delete existing HTML elements.
Delete elements/content
If you need to delete elements and content, you can generally use the following two jQuery methods:
remove() - Removes the selected element (and its child elements)
empty() - Removes the child element from the selected element
jQuery remove() method
jQuery remove() method deletes the selected element and its child elements.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.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;">
这是 div 中的一些文本。
<p>这是在 div 中的一个段落。</p>
<p>这是在 div 中的另外一个段落。</p>
</div>
<br>
<button>移除div元素</button>
</body>
</html>Run the program and try it
jQuery empty() method
jQuery empty() method deletes The child elements of the selected element.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.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;">
这是 div 中的一些文本。
<p>这是在 div 中的一个段落。</p>
<p>这是在 div 中的另外一个段落。</p>
</div>
<br>
<button>清空div元素</button>
</body>
</html>Run the program and try it
Filter deleted elements
jQuery remove() method can also be used Accepts a parameter that allows you to filter deleted elements.
This parameter can be any jQuery selector syntax.
The following example deletes all <p> elements of class="italic":
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
$("button").click(function(){
$("p").remove(".italic");
});
});
</script>
</head>
<body>
<p>这是一个段落。</p>
<p class="italic"><i>这是class="italic"的段落。</i></p>
<p class="italic"><i>这是class="italic"的段落。</i></p>
<button>移除所有 class="italic" 的 p 元素。</button>
</body>
</html>Run the program to try it
