How can I reverse an array in JavaScript without using libraries?

Question

I am saving some data in order using arrays, and I want to add a function that the user can reverse the list. I can\'t think of any possible method, so if anybo

Answer 1

array.reverse() 

Above will reverse your array but modifying the original. If you don't want to modify the original array then you can do this:

var arrayOne = [1,2,3,4,5];

var reverse = function(array){
    var arrayOne = array
    var array2 = [];

    for (var i = arrayOne.length-1; i >= 0; i--){
      array2.push(arrayOne[i])
    } 
    return array2
}

reverse(arrayOne)