Answers for "insert first position array js"

56

javascript push item to beginning 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
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
2

insert element at beginning of array javascript

// Use unshift method if you don't mind mutating issue
// If you want to avoid mutating issue
const array = [3, 2, 1]

const newFirstElement = 4

const newArray = [newFirstElement].concat(array) // [ 4, 3, 2, 1 ]

console.log(newArray);
Posted by: Guest on November-20-2020

Code answers related to "insert first position array js"

Code answers related to "Javascript"

Browse Popular Code Answers by Language