// Get a style property (name) of a specific element (elem) function getStyle( elem, name ) { // If the property exists in style[], then it's been set // recently (and is current) if (elem.style[name]) { return elem.style[name]; } // Otherwise, try to use IE's method else if (elem.currentStyle) { return elem.currentStyle[name]; } // Or the W3C's method, if it exists else if (document.defaultView && document.defaultView.getComputedStyle) { // It uses the traditional 'text-align' style of rule writing, // instead of textAlign name = name.replace(/([A-Z])/g,"-$1"); name = name.toLowerCase(); // Get the style object and get the value of the property (if it exists) var s = document.defaultView.getComputedStyle(elem,""); return s && s.getPropertyValue(name); // Otherwise, we're using some other browser } else return null; }
Jul 3, 2007
Finding the actual computed value of a CSS Style Property on an Element
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css
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