JSFiddle - React, Tailwind, and code Playground

by Jessie Lau

JavaScript

function insertValue2(arr, value, index) {
    var myArr = [];
    for (var i = 0; i < arr.length; i++) {
        if (i == index) {
            myArr.push(value);

        }
        myArr.push(arr[i]);
    }
    return myArr;
}
console.log(insertValue2([1, 3, 5, 7], 10, 3));