【JS】检测是否支持CSS3属性

isSupportCss3Prop.js

    		var _isSupport = function(prop){

				var div = document.createElement('div'), 
					vendors = 'Khtml O Moz Webkit'.split(' '), 
					len = vendors.length; 
					if ( prop in div.style ) return true; 
					if ('-ms-' + prop in div.style) return true; 
					prop = prop.replace(/^[a-z]/, function(val) { 
						return val.toUpperCase(); 
					}); 
					while(len--) { 
						if ( vendors[len] + prop in div.style ) { 
							return true; 
						} 
					} 
					return false; 
 
    		}