Answers for "push at first index javascript"

56

javascript add new array element to start of array

var colors = ["white","blue"];
colors.unshift("red"); //add red to beginning of colors
// colors = ["red","white","blue"]
Posted by: Guest on July-23-2019
3

javascript push to first index

var fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.unshift("Lemon","Pineapple");
Posted by: Guest on May-26-2021
2

push element to array to first place js

let arr = [4, 5, 6]

arr.unshift(1, 2, 3)
console.log(arr);
// [1, 2, 3, 4, 5, 6]
Posted by: Guest on June-15-2021
4

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"]
Posted by: Guest on October-18-2020
3

unshift

//see https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Objets_globaux/Array/unshift

const array1 = [1, 2, 3];

console.log(array1.unshift(4, 5));
// expected output: 5

console.log(array1);
// expected output: Array [4, 5, 1, 2, 3]
Posted by: Guest on April-30-2020
-1

.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) ;
Posted by: Guest on March-11-2020

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