Write a JavaScript program to create a new string using the first and last n characters from a given sting. The string length must be greater or equal to n

برمجة جافاسكربت java script

2021-06-01
ahmadghneem

Write a JavaScript program to create a new string using the first and last n characters from a given sting. The string length must be greater or equal to n.

الأجوبة

function two_string(str, n)
  {
    first_part = str.substring(0, n);
    last_part = str.substring(str.length - n);
    return first_part + last_part;
 }

console.log(two_string("JavaScript", 2));
console.log(two_string("JavaScript", 3));

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