Breaking News: Grepper is joining You.com. Read the official announcement!

Declare and Initialize Arrays in javascript

Add Answer

Poised Peacock answered on June 29, 2020 Popularity 9/10 Helpfulness 1/10

answer Declare and Initialize Arrays in javascript

related initialize javascript array variable

related javascript initialize array

related how to initialize an array in javascript

Declare and Initialize Arrays in javascript

Comment

-1

const array = Array(5).fill(''); 
// Output 
(5) ["", "", "", "", ""]

const matrix = Array(5).fill(0).map(()=>Array(5).fill(0)); 
// Output
(5) [Array(5), Array(5), Array(5), Array(5), Array(5)]
0: (5) [0, 0, 0, 0, 0]
1: (5) [0, 0, 0, 0, 0]
2: (5) [0, 0, 0, 0, 0]
3: (5) [0, 0, 0, 0, 0]
4: (5) [0, 0, 0, 0, 0]
length: 5

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: dev.to

Tags: arrays declare javascript

Link to this answer
Share Copy Link

Contributed on Jul 18 2022

Poised Peacock

0 Answers Avg Quality 2/10

Closely Related Answers

initialize javascript array variable

Comment

-1

var arrayName = new Array();
var arrayName = new Array(Number length);
var arrayName = new Array(element1, element2, element3);

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: javascript j

Link to this answer
Share Copy Link

Contributed on Jan 20 2021

Poised Penguin

0 Answers Avg Quality 2/10

javascript initialize array

Comment

const array = new Array(5).fill(0);

console.log(array);

// [0, 0, 0, 0, 0]

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: attacomsian.com

Tags: javascript j

Link to this answer
Share Copy Link

Contributed on Dec 06 2021

Exuberant Eland

0 Answers Avg Quality 2/10

how to initialize an array in javascript

Comment

var array_name = [item1, item2, ...];

Popularity 10/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: javascript j

Link to this answer
Share Copy Link

Contributed on Jun 29 2020

Dangerous Dotterel

0 Answers Avg Quality 2/10

Declare and Initialize Arrays in javascript

Contents

More Related Answers

Declare and Initialize Arrays in javascript

Closely Related Answers

initialize javascript array variable

javascript initialize array

how to initialize an array in javascript

Grepper

Documentation

Social

Legal

Contact

Oops, You will need to install Grepper and log-in to perform this action.