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How to operate li in ul using javascript

Source: Internet
Author: User
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How to operate li in ul using javascript

This example describes how to operate li in ul 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> dynamically control the li Team list </title>

<Script type = "text/javascript">

Function iniEvent (){

Var ul = document. getElementById ("football ");

Var lis = ul. getElementsByTagName ("li ");

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

// Move the cursor over the event

Lis [I]. onmouseover = function (){

Var ul = document. getElementById ("football ");

Var lis = ul. getElementsByTagName ("li ");

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

Var li = lis [I];

If (li = this ){

Li. style. background = "red ";

}

Else {

Li. style. background = "gray ";

}

}

}

// Click the event

Lis [I]. onclick = function (){

Var ul = document. getElementById ("football ");

Var lis = ul. getElementsByTagName ("li ");

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

Var li = lis [I];

If (li = this ){

Li. style. fontSize = 30;

}

Else {

Li. style. fontSize = 16;

}

}

}

}

}

</Script>

</Head>

<Body onload = "iniEvent ()">

<! -- Function Description

1. The lines that move the mouse over become red.

2. Click the row to increase the font size.

-->

<Ul style = "width: 200px" id = "football">

<Li> Real Madrid </li>

<Li> Manchester United </li>

<Li> Chelsea </li>

<Li> Barcelona </li>

<Li> AC Milan </li>

<Li> Milan </li>

</Ul>

</Body>

</Html>

I hope this article will help you design javascript programs.

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