Write a JavaScript program to create a new string with the results of calling a provided function on every character in the calling string

برمجة جافاسكربت java script
برمجة

2021-06-03
ahmadghneem

Write a JavaScript program to create a new string with the results of calling a provided function on every character in the calling string.

الأجوبة

const mapString = (str, fn) =>
  str
    .split('')
    .map((c, i) => fn(c, i, str))
    .join('');

console.log(mapString('Javascript exercises', c => c.toUpperCase()));

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