If you want to try it, go here
To set a CSS inline style as an !important one in javascript, you have to use the element.setAttribute() method.
But you can't use this one in old IE to set style. There is a specific syntax ;)
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How to set an !important css property in javascript
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| .test { | |
| height: 139px; | |
| width: 96px | |
| } |
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| (function(){ | |
| var elements = document.getElementsByTagName( 'div' ); | |
| element = elements[ 0 ]; | |
| // Specific old IE | |
| if ( document.all ) { | |
| element.style.setAttribute( 'cssText', 'background-image: url( "http://placekitten.com.s3.amazonaws.com/homepage-samples/96/139.jpg" ) !important' ); | |
| // Modern browser | |
| } else { | |
| element.setAttribute( 'style', 'background-image: url( "http://placekitten.com.s3.amazonaws.com/homepage-samples/96/139.jpg" ) !important' ); | |
| } | |
| })(); |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> | |
| <title>How to set an !important css property in javascript</title> | |
| <link href="important.css" media="screen" rel="stylesheet" type="text/css" /> | |
| </head> | |
| <body> | |
| <div class="test">Miaaou</div> | |
| <script type="text/javascript" src="important.js"></script> | |
| <body> | |
| </html> |
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