Obsolete
This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.
The CSSStyleDeclaration.getPropertyCSSValue() method interface returns a CSSValue containing the CSS value for a property. Note that it returns null if the property name is a shorthand property.
var value = style.getPropertyCSSValue(property);
property is a DOMString representing the property name to be retrieved.value is a CSSValue containing the CSS value for a property. If none exists, returns null.The following JavaScript code gets an object containing the computed RGB values of the color CSS property:
var style = window.getComputedStyle(elem, null);
var rgbObj = style.getPropertyCSSValue('color').getRGBColorValue();
| Specification | Status | Comment |
|---|---|---|
| Document Object Model (DOM) Level 2 Style Specification The definition of 'CSSStyleDeclaration' in that specification. | Obsolete | Declared as obsolete in July 2003. |
| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|---|
| Basic support | No support1 | No support | (Yes)2 | No support | No support1, 3 | (Yes) |
| Feature | Android | Edge | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
|---|---|---|---|---|---|---|---|
| Basic support | (Yes) | No support | (Yes)2 | No support | No support1, 3 | (Yes) | No support1 |
1. Removed in Chrome 41/Opera 28, see Chromium bug 331608.
2. Firefox only returns a result if called on the result of getComputedStyle()
3. Calling this method in Opera 12.x and earlier throws a DOMException NOT_SUPPORTED_ERR.
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https://developer.mozilla.org/en-US/docs/Web/API/CSSStyleDeclaration/getPropertyCSSValue