Question : javascript initialize array
Answered by : exuberant-eland-k07948nw359u
const array = new Array(5).fill(0);
console.log(array);
// [0, 0, 0, 0, 0]Source : https://attacomsian.com/blog/javascript-array-populate | Last Update : Mon, 13 Dec 21
Question : Declare and Initialize Arrays in javascript
Answered by : poised-peacock-8kfifgk36e8r
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: 5Source : https://dev.to/devsimc/javascript-best-practices-44ll | Last Update : Mon, 25 Jul 22