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How to add sibling nodes in jquery

青灯夜游

Release： 2022-04-27 17:59:34

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How to add sibling nodes in jquery: 1. Use before(), the syntax "$(specified element).before(sibling node)", you can insert sibling nodes before the specified element; 2. Use after() , the syntax "$(specified element).after(sibling node)" allows you to insert sibling nodes after the specified element.

How to add sibling nodes in jquery

The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.

In jquery, you can use the following two methods to add sibling nodes

before() method: Insert specified content before the selected element.
after() method: Insert the specified content after the selected element.

1. Use before() to add sibling nodes forward

before() can insert sibling nodes before the specified element

Syntax:

$(A).before(B)

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means inserting the B sibling node in front of the A node.

Example:

<!DOCTYPE html>
<html>

	<head>
		<meta charset="UTF-8">
		<script src="js/jquery-1.10.2.min.js"></script>
		<script>
			$(function () {
            $("button").click(function () {
                var a = "<span style=&#39;color:red;&#39;>一个span元素</span>";
                $("div").before(a);
            })
        })
    </script>
	</head>
	<body>
		<h1>一个大标题</h1>
		<p>一个p段落</p>
		<div>一个div元素</div>
		<p>一个p段落</p>
		<button>在div前插入一个兄弟节点</button>
	</body>
</html>

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How to add sibling nodes in jquery

2. Use after() to add sibling nodes backwards

after() can insert sibling nodes after the specified element

Syntax:

$(A).after(B)

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means inserting the B sibling node after the outside of the A node.

Example:

<!DOCTYPE html>
<html>

	<head>
		<meta charset="UTF-8">
		<script src="js/jquery-1.10.2.min.js"></script>
		<script>
			$(function () {
            $("button").click(function () {
                var a = "<span style=&#39;color:red;&#39;>一个span元素</span>";
                $("div").after(a);
            })
        })
    </script>
	</head>
	<body>
		<h1>一个大标题</h1>
		<p>一个p段落</p>
		<div>一个div元素</div>
		<p>一个p段落</p>
		<button>在div前插入一个兄弟节点</button>
	</body>
</html>

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How to add sibling nodes in jquery

[Recommended learning: jQuery video tutorial, web front-end video 】

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