js 随机色

 ???//生成随机色 ???function colorRandom() { ???????colorStr = "#" + ("00000" + (Math.random() * 0x1000000 << 0).toString(16)).slice(-6); ???????return colorStr;// ???????var r=Math.floor(Math.random()*256);// ???????var g=Math.floor(Math.random()*256);// ???????var b=Math.floor(Math.random()*256);// ???????return `rgb(${r},${g},${b})`; ???};