Example of insertBefore () method usage in jQuery, jqueryinsertbefore

Source: Internet
Author: User

Example of insertBefore () method usage in jQuery, jqueryinsertbefore

This document describes the insertBefore () method in jQuery. Share it with you for your reference. The specific analysis is as follows:

This method inserts matching elements in front of another specified Element Set.
The insertBefore () method is opposite to insertAfter.

Syntax structure:
Copy codeThe Code is as follows: $ (selector). insertBefore (content)
Parameter List:

Parameters Description
Selector Define the content to be inserted.
Content Defines the elements to insert before.

Instance code:

Copy codeThe Code is as follows:
<! DOCTYPE html>
<Html>
<Head>
<Meta charset = "UTF-8">
<Meta name = "author" content = "http://www.bkjia.com/"/>
<Title> insertBefore () function-helper's house </title>
<Style type = "text/css">
P {
Width: 100px;
Height: 100px;
Background-color: red;
}
Div {
Width: 200px;
Height: 200px;
Background-color: blue;
}
</Style>
<Script type = "text/javascript" src = "mytest/jQuery/jquery-1.8.3.js"> </script>
<Script type = "text/javascript">
$ (Document). ready (function (){
$ ("# Bt"). click (function (){
$ ("Div"). insertBefore ("p ");
})
});
</Script>
</Head>
<Body>
<P> </p>
<Div> </div>
<Input type = "button" value = "click to view results" id = "bt"/>
</Body>
</Html>

The code above can insert the div element to the front of the p element.
Note that the insert operation moves the matching element to the front of the specified element instead of copying a new one.

I hope this article will help you with jQuery programming.

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