Get the actual style property value of an element

/ Published in: JavaScript
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Gets the style property as rendered, not as defined (which can be different).

Copy this code and paste it in your HTML
  1. function measure(el, styleProp) {
  2. if (el.currentStyle)
  3. var st = el.currentStyle[styleProp];
  4. else if (window.getComputedStyle)
  6. var st = document.defaultView.getComputedStyle(el, null).getPropertyValue(styleProp);
  7. return st;
  8. }


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