RGB?? 16?? ?? ? ????
??? jQuery? ???? ?? ???? RGB ?? ??? ? ????. ??? ?? 16?? ?? ??? ???? ??? ?? ????
???
RGB ?? 16?? ??? ????? ?? ? ? ??? ?????.
const rgba2hex = (rgba) => `#${rgba.match(/^rgba?\((\d+),\s*(\d+),\s*(\d+)(?:,\s*(\d+\.{0,1}\d*))?\)$/).slice(1).map((n, i) => (i === 3 ? Math.round(parseFloat(n) * 255) : parseFloat(n)).toString(16).padStart(2, '0').replace('NaN', '')).join('')}`
??? ?? (2021)
EcmaScript ??? ???? ?? ???? ????? rgb2hex ??? ??? ????.
const rgb2hex = (rgb) => `#${rgb.match(/^rgb\((\d+),\s*(\d+),\s*(\d+)\)$/).slice(1).map(n => parseInt(n, 10).toString(16).padStart(2, '0')).join('')}`
?? ?
??? ??? ??? ?? ??? ? ????.
console.log(rgb2hex('rgb(0,0,0)')) // '#000000'
console.log(rgb2hex('rgb(255, 255, 255)')) // '#ffffff'
console.log(rgb2hex('rgb(255,0,0)')) // '#ff0000'
console.log(rgb2hex('rgb(38, 170, 90)')) // '#26aa5a'? ??? JavaScript?? RGB ?? ?? 16??? ??? ??? ? ?????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!
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