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Javascript controls the closure and expansion of the list through overflow

Source: Internet
Author: User
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Javascript controls the closure and expansion of the list through overflow

This article describes how Javascript controls the closure and expansion of the list through overflow. Share it with you for your reference. The specific implementation method is 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> close and expand through the overflow control list </title>

<Style type = "text/css">

Div dl

{

Margin: 0;

Padding: 0;

Font-size: 14px;

}

# DivMain

{

Width: 500px;

Background-color: # 22477A;

Margin: 0 auto;

Margin-top: 30px;

}

Dl

{

Width: 200px;

Background: # A6BCE5;

Height: 14px;/* the same height as the font size */

Overflow: hidden;/* default overflow hidden */

}

Dt

{

Cursor: pointer;/* set the hand cursor */

Font-weight: bold;

Color: Green;

}

. Open

{

Height: pixel PX;

Overflow: visible;

}

. Close

{

Height: 14px;/* the same height as the font size */

Overflow: hidden;

}

</Style>

<Script type = "text/javascript">

Function DisplayList (){

Var dtNode = window. event. srcElement;

Var dlNode = dtNode. parentNode;

Var dlNodes = document. getElementsByTagName ("dl ");

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

If (dlNodes [I] = dlNode) {// you can check whether the selected dl is used.

If (dlNodes [I]. className = "open "){

DlNodes [I]. className = "close ";

}

Else {

DlNodes [I]. className = "open ";

}

}

Else {

DlNodes [I]. className = "close ";

}

}

}

</Script>

</Head>

<Body>

<Div id = "divMain">

<Dl>

<Dt onclick = "DisplayList ()">

Star List 1

</Dt>

<Dd> Ronaldo </dd>

<Dd> Beckham </dd>

<Dd> Zidane </dd>

<Dd> Neymar </dd>

<Dd> Pattaya </dd>

<Dd> Messi </dd>

</Dl>

<Br/>

<Dl>

<Dt onclick = "DisplayList ()">

Star List 2

</Dt>

<Dd> Ronaldo </dd>

<Dd> Beckham </dd>

<Dd> Zidane </dd>

<Dd> Neymar </dd>

<Dd> Pattaya </dd>

<Dd> Messi </dd>

</Dl>

<Br/>

<Dl>

<Dt onclick = "DisplayList ()">

Star list 3

</Dt>

<Dd> Ronaldo </dd>

<Dd> Beckham </dd>

<Dd> Zidane </dd>

<Dd> Neymar </dd>

<Dd> Pattaya </dd>

<Dd> Messi </dd>

</Dl>

<Br/>

<Dl>

<Dt onclick = "DisplayList ()">

Star list 4

</Dt>

<Dd> Ronaldo </dd>

<Dd> Beckham </dd>

<Dd> Zidane </dd>

<Dd> Neymar </dd>

<Dd> Pattaya </dd>

<Dd> Messi </dd>

</Dl>

<Br/>

<Dl>

<Dt onclick = "DisplayList ()">

Star List 5

</Dt>

<Dd> Ronaldo </dd>

<Dd> Beckham </dd>

<Dd> Zidane </dd>

<Dd> Neymar </dd>

<Dd> Pattaya </dd>

<Dd> Messi </dd>

</Dl>

<Br/>

<Dl>

<Dt onclick = "DisplayList ()">

Star list 6

</Dt>

<Dd> Ronaldo </dd>

<Dd> Beckham </dd>

<Dd> Zidane </dd>

<Dd> Neymar </dd>

<Dd> Pattaya </dd>

<Dd> Messi </dd>

</Dl>

</Div>

</Body>

</Html>

I hope this article will help you design javascript programs.

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Keywords:
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