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How to implement multiple repeated click switches using JavaScript

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Author: User
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How to implement multiple repeated click switches using JavaScript

How to implement multiple repeated click switches using JavaScript

This example describes how to implement multiple repeated click switches in JavaScript. Share it with you for your reference. The details are as follows:

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<! 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> three layers overlap. Click to switch </title>

<Script type = "text/javascript">

Function $ (obj ){

Return document. getElementById (obj );

}

Function change (n ){

For (var I = 1; I <4; I ++ ){

If (n = I ){

$ ("A" + I). style. zIndex = "100 ";

} Else {

$ ("A" + I). style. zIndex = "0 ";

}

}

}

</Script>

</Head>

<Body>

<Div id = "a1"

Style = "position: absolute; left: 100px; top: 100px; width: 100px; height: 100px;

Background-color: # ddeeff; z-index: 1 "onclick =" change ('1') ">

</Div>

<Div id = "a2"

Style = "position: absolute; left: 150px; top: 130px; width: 100px; height: 100px;

Background-color: # eeffdd; z-index: 2 "onclick =" change ('2') ">

</Div>

<Div id = "a3"

Style = "position: absolute; left: 200px; top: 160px; width: 100px; height: 100px;

Background-color: # ffddee; z-index: 3 "onclick =" change ('3') ">

</Div>

<Div> http://www.jb51.net/</div>

</Body>

</Html>

I hope this article will help you design javascript programs.

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