How to pad an array to a specified length with a given value in JavaScript

1 Answer

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function arrayPad(arr, size, value) {
    let paddedArray = arr.slice();
    let originalSize = arr.length;

    // Pad the array with the given value
    if (size > originalSize) {
        paddedArray = paddedArray.concat(new Array(size - originalSize).fill(value));
    }

    return paddedArray;
}

let arr = [1, 2, 3];
let size = 5;
let value = 0;

let paddedArray = arrayPad(arr, size, value);

console.log(paddedArray);

   
 
 
/*
run:
       
[ 1, 2, 3, 0, 0 ]
     
*/

 



answered Feb 4 by avibootz
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