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January 12, 2016 17:17
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get Background color
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| getComputedBG = function (elem) { | |
| var rtn = window.getComputedStyle(elem)['background-color'], | |
| element = elem, | |
| isTransparent = function (color) { | |
| return color === 'rgba(0, 0, 0, 0)' || color === 'transparent' | |
| }; | |
| while (element !== null && isClear(rtn)) { | |
| element = element.parentElement; | |
| rtn = window.getComputedStyle(element)['background-color']; | |
| if (!isTransparent(rtn)) { | |
| break; | |
| } | |
| } | |
| return rtn; | |
| }; | |
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this should end up in belt eventually...