JSFiddle - React, Tailwind, and code Playground

by greenhulk01

JavaScript

function reverseArrayInPlace(array) {
    for (var i = 0; i < Math.floor(array.length / 2); i++) {
        var old = array[i];
        
        array[i] = array[array.length - 1 - i];
        
        array[array.length - 1 - i] = old;
    }
    return array;
}

var arrayValue = [1, 2, 3, 4, 5];
reverseArrayInPlace(arrayValue);
console.log(arrayValue);