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This article mainly explains "how to increase brother nodes in jquery". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "how to increase brother nodes in jquery".

Jquery add sibling node method: 1, use before (), syntax "$(specify element). Before (sibling node)", you can insert sibling node before the specified element; 2, use after (), syntax "$(specify element) .after (sibling node)", you can insert sibling node after the specified element.

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

The before () method inserts the specified content before the selected element.

The after () method inserts the specified content after the selected element.

1. Use before () to add sibling nodes forward

Before () can insert a sibling node before the specified element

Syntax:

$(A) .before (B)

Indicates that the B sibling node is inserted in front of node A.

Example:

$(function () {$("button") .click (function () {var a = "a span element"; $("div") .before (a);})) a subtitle

A p paragraph

A div element

A p paragraph

Insert a sibling node before div

2. Use after () to add sibling nodes backward.

After () can insert a sibling node after the specified element

Syntax:

$(A) .after (B)

Indicates that the B sibling node is inserted behind the outside of node A.

Example:

$(function () {$("button") .click (function () {var a = "a span element"; $("div") .after (a);})}) A large title

A p paragraph

A div element

A p paragraph

Insert a sibling node before div

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