jQuery before()Method

jQuery HTML/CSS 方法jQuery HTML/CSS Methods

Examples

Insert content before each <p> element:

$("button").click(function(){ $("p").before("<p>Hello world!</p>"); });

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Definition and Usage

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

Tip:To insert content after the selected elements, use theafter()method.


Syntax

$(selector).before(content,function(index))

Parameter Description
content Specifies the content to insert (can contain HTML tags).

Possible values:

  • HTML elements
  • jQuery object
  • DOM elements
function(index) Optional. Specifies a function that returns the content to insert.
  • index- Returns the index position of the element in the set.


实例

More Examples

before() - Create content with HTML, jQuery and DOM
Insert content with the before() method.

Insert content using a function
How to use a function to insert content before selected elements.


jQuery HTML/CSS 方法jQuery HTML/CSS Methods

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