Question

How to initialize char array with random characters in JavaScript

Answer 1

const SIZE = 10;

function initializeCharArrayWithRandomCharacters(arr) {
    const characters = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
    const random = Math.random;

    for (let i = 0; i < arr.length; i++) {
        arr[i] = characters.charAt(Math.floor(random() * characters.length));
    }
}

const arr = new Array(SIZE);

initializeCharArrayWithRandomCharacters(arr);

console.log(arr.join(" "));

       
       
       
/*
run:
        
h G L 6 G y U E X a
        
*/

 

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