/**	 * [parserColor 颜色转换为十六进制]	 * @param  {[String]} value [需要转换的颜色值]	 * @return {[String]}       [返回转换后的颜色值,#0000FF形式]	 */	function parserColor(value){		var str="",		ar=[],		arri= "",		i=0,		vlen=value.length,		colorObj={			"black":"000000",			"red":"0000FF",			"blue":"FF0000",			"white":"FFFFFF",			"yellow":"FFFF00",			"orange":"FFA500"		};		//rgb(0,0,255)		if(/rgb/.test(value)){			arr = value.match(/\d+/g);			vlen = arr.length;			for(; i < vlen ; i++){				arri = parseInt(arr[i]);				//转换为十六进制				str += arri < 10 ? "0" + arri.toString(16) : arri.toString(16);			}		}else if(/^#/.test(value)){			//#00f			if(vlen == 4){				str = value.replace(/[A-Za-z0-9]/g,"$&$&");			}else if(vlen == 7){				//#FF0000				str = value.replace(/^#([A-Za-z0-9]*)/,"$1");			}else{				str = "FFFFFF";			}		}else{			//red/orange			value = value.toLowerCase();			str = colorObj[value] ? colorObj[value] : "FFFFFF";//不匹配默认为白色		}		return "#" + str.toUpperCase();	}

console.log(parserColor("white"));//#FFFFFFF	console.log(parserColor("#00f"));//#0000FF	console.log(parserColor("rgb(0,0,255)"));//#0000FF