Q:

Write a JavaScript program to extend a 3-digit color code to a 6-digit color code

hamza
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2022-05-18
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Write a JavaScript program to extend a 3-digit color code to a 6-digit color code.

JavaScript programming, Programming,
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hamza
2022-05-18
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const extend_Hex = shortHex =>
  '#' +
  shortHex
    .slice(shortHex.startsWith('#') ? 1 : 0)
    .split('')
    .map(x => x + x)
    .join('');

console.log(extend_Hex('#03f'));
console.log(extend_Hex('05a'));

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