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In the js navigation bar, click the sample code for event background conversion.

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Author: User
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In the js navigation bar, click the sample code for event background conversion.

This article mainly introduces the sample code for clicking event background conversion in the js navigation bar. You can refer to the sample code for help.

As shown below;

 

The Code is as follows:

<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<Html xmlns = "http://www.w3.org/1999/xhtml">

<Head>

<Meta http-equiv = "Content-Type" content = "text/html; charset = UTF-8"/>

<Title> untitled document </title>

<Script type = "text/javascript">

Function change_bg (obj)

{

Var a = document. getElementById ("Menu"). getElementsByTagName ("");

For (var I = 0; I <a. length; I ++)

{

A [I]. className = "";

}

Obj. className = "current ";

}

</Script>

<Style type = "text/css">

Body {

Font-size: 17px;

}

. Current {

Background: red;

}

# Container ul

{

List-style-type: none;

}

# Container ul li

{

Float: left;

Margin-right: 3px;

}

# Container ul li {

Text-decoration: none;

Color: #000;

 

}

</Style>

</Head>

<Body>

<Div id = "container">

<Ul id = "Menu">

<Li> <a href = "javascript:" onclick = "change_bg (this)" class = "current"> Menu1 </a> </li>

<Li> <a href = "javascript:" onclick = "change_bg (this)"> Menu2 </a> </li>

<Li> <a href = "javascript:" onclick = "change_bg (this)"> Menu3 </a> </li>

<Li> <a href = "javascript:" onclick = "change_bg (this)"> Menu4 </a> </li>

<Li> <a href = "javascript:" onclick = "change_bg (this)"> Menu5 </a> </li>

</Ul>

</Div>

</Body>

</Html>

 

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