unshift operator in javascript code example
Example 1: javascript add new array element to start of array
var colors = ["white","blue"];
colors.unshift("red");
Example 2: array.unshift in javascript
const array1 = [1, 2, 3];
console.log(array1.unshift(4, 5));
console.log(array1);
Example 3: unshift method in javascript
var name = [ "john" ];
name.unshift( "charlie" );
name.unshift( "joseph", "Jane" );
console.log(name);
[" joseph "," Jane ", " charlie ", " john "]
Example 4: javascript array push
var SomeRandomArray = [];
SomeRandomArray.push("Hello, world!");
Example 5: javascript unshift
let array = ["A", "B"];
let variable = "what you want to add";
array.unshift(variable);
console.log(array);
Example 6: unshift javascript
let twentyThree = 'XXIII';
let romanNumerals = ['XXI', 'XXII'];
romanNumerals.unshift('XIX', 'XX');
romanNumerals.push(twentyThree);