JavaScript converts RGB colors to hexadecimal colors by means of operators

From , 2 Years ago, written in JavaScript, viewed 174 times.

function RGB2HEX(a,b,c){return"#"+((256+a<<8|b)<<8|c).toString(16).slice(1)}
//或者
function toHexString(r,g,b) {
  return ("00000" + (r << 16 | g << 8 | b).toString(16)).slice(-6);
}
var hex = toHexString(red, green, blue);
//javascript/5078

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JavaScript converts RGB colors to hexadecimal colors by means of operators

Reply to "JavaScript converts RGB colors to hexadecimal colors by means of operators"