Swap numbers in JS

by webspicer

JavaScript

var newArray =  Array.from("12345");

var n1 = newArray[1];
var n2 = newArray[2];

Array.prototype.remove = function(index) {
    this.splice(index, 2);
}

newArray.remove(1, 2);
 
console.log("Removed"+newArray);

Array.prototype.insert = function (index, item) {
  this.splice(index,0, item);
};

newArray.insert(1, n2);
newArray.insert(2, n1);

console.log("Added=="+newArray);