add element in top array js code example

Example 1: js add element to front of array

//Add element to front of array
var numbers = ["2", "3", "4", "5"];
numbers.unshift("1");
//Result - numbers: ["1", "2", "3", "4", "5"]

Example 2: javascript array push

// JS array .push() method

let items_in_backpack = ['food', 'water', 'flashlight', 'GPS']; // Our starting array
items_in_backpack.push('javascript array push knowledge'); // Adds the <<< string to the array items_in_backpack


// Now the array is:
// ['food', 'water', 'flashlight', 'GPS', 'javascript array push knowledge']