题解 | #颜色字符串转换#
斐波那契数列
http://www.nowcoder.com/practice/aa8ffe28ec7c4050b2aa8bc9d26710e9
function rgb2hex(sRGB) {
let colorNums = sRGB.match(/^rgb\((\d+),\s*(\d+),\s*(\d+)\)$/);
let [str, red, green, blue] = colorNums;
return "#" + [red, green, blue].map(item => ((Number(item).toString(16))).padStart(2, '0')).join("");
}
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