js push to start of array
var colors = ["white","blue"];
colors.unshift("red"); //add red to beginning of colors
// colors = ["red","white","blue"]js push to start of array
var colors = ["white","blue"];
colors.unshift("red"); //add red to beginning of colors
// colors = ["red","white","blue"]shift and unshift js
let cats = ['Bob', 'Willy', 'Mini'];
cats.shift(); // ['Willy', 'Mini']
let cats = ['Bob'];
cats.unshift('Willy'); // ['Willy', 'Bob']
cats.unshift('Puff', 'George'); // ['Puff', 'George', 'Willy', 'Bob']unshift javascript
/*The unshift() adds method elements to the beginning, and push() method
adds elements to the end of an array.*/
let twentyThree = 'XXIII';
let romanNumerals = ['XXI', 'XXII'];
romanNumerals.unshift('XIX', 'XX');
// now equals ['XIX', 'XX', 'XXI', 'XXII']
romanNumerals.push(twentyThree);
// now equals ['XIX', 'XX', 'XXI', 'XXII', 'XXIII'].unshift
let monTableau = ['un', 'deux','trois', 'quatre'] ;
monTableau.unshift('zero') ;
//console.log(monTableau) ;
let monTableau2D = [
['Mark' , 'jeff' , 'Bill'] ,
['Zuckerberg' , 'Bezos' , 'Gates']
] ;
monTableau2D[1].unshift('test') ;
//console.log(monTableau2D) ;Copyright © 2021 Codeinu
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