myArray.push and splice

// JavaScript Document

// Creating an array

var myArray = ["Doug", "Mike", "Janet", "Matt"];

console.log(myArray);

// Adding an item to the array

myArray.push("Pat");

console.log(myArray);

// Changing an item in the array

myArray[0] = "Tim";

console.log(myArray);

// Removing items from an array

myArray.splice(1,2);

console.log(myArray);