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Select different CSS based on different browsers

Source: Internet
Author: User
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How to select different CSS based on the browser? For example, I have three CSS files. If the client is IE6, css1 is used. If the client is IE7 or IE8, css2 is used. If the client is Firefox, css3 is used.

I found it online and said the following:

<! 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 = gb2312"/>

<Title> automatically calls different CSS Code </Title>

<Link href = "" rel = "stylesheet" type = "text/CSS"/>

<Script language = "jscript">

If (window. Navigator. useragent. indexof ("MSIE")> = 1)

{

VaR ie1024 = "style1.css ";

VaR ie800 = "style2.css ";

VaR ie1152 = "css1.css ";

VaR ieother = "css1.css ";

Screenwidth (ie1024, ie800, ie1152, ieother)

} Else {

If (window. Navigator. useragent. indexof ("Firefox")> = 1)

{

// If the browser is Firefox

VaR firefox1024 = "style1 ";

VaR firefox800 = "style2.css ";

VaR firefox1152 = "css1.css ";

VaR firefoxother = "css1.css ";

Screenwidth (firefox1024, firefox800, firefox1152, firefoxother)

} Else {

// If the browser is other

VaR other1024 = "css1.css ";

VaR other800 = "css1.css ";

VaR other1152 = "css1.css ";

VaR otherother = "css1.css ";

Screenwidth (other1024, other800, other1152, otherother)

}

}

Function screenwidth (css1, css2, css3, css4 ){

If (screen. width = 1024) & (screen. Height = 768 )){

Setactivestylesheet (css1 );

} Else {

If (screen. width = 800) & (screen. Height = 600 )){

Setactivestylesheet (css2 );

} Else {

If (screen. width = 1152) & (screen. Height = 864 )){

Setactivestylesheet (css3 );

} Else {

Setactivestylesheet (css4 );

}}}

}

Function setactivestylesheet (title) {document. getelementsbytagname ("Link") [0]. href = "" + title ;}

</SCRIPT>

</Head>

<Body>

</Body>

</Html>

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