array push first code example
Example 1: javascript add new array element to start of array
var colors = ["white","blue"];
colors.unshift("red");
Example 2: unshift
const array1 = [1, 2, 3];
console.log(array1.unshift(4, 5));
console.log(array1);
Example 3: javascript array add front
let yourArray = [2, 3, 4];
yourArray.unshift(1);
Example 4: .unshift
let monTableau = ['un', 'deux','trois', 'quatre'] ;
monTableau.unshift('zero') ;
let monTableau2D = [
['Mark' , 'jeff' , 'Bill'] ,
['Zuckerberg' , 'Bezos' , 'Gates']
] ;
monTableau2D[1].unshift('test') ;