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Example:
Copy codeThe 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">
// Use javascript to obtain elements through className
Function getElementsbyClassName (n ){
Var classElements = [], allElements = document. getElementsByTagName ('*');
For (var I = 0; I <allElements. length; I ++ ){
If (allElements [I]. className = n ){
ClassElements [classElements. length] = allElements [I];
}
}
Return classElements;
}
</Script>
<Style type = "text/css">
. Shouye {
Font-size: 12px;
Color: red;
}
</Style>
</Head>
<Body>
<Div class = "shouye"> Zhang San </div>
<Script type = "text/javascript">
Var XX = getElementsbyClassName ('shouye ');
For (var I = 0; I <XX. length; I ++ ){
XX [I]. className = "";
}
</Script>
</Body>
</Html>
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