Question

How to create empty array with given size of N initial with zeros in JavaScript

Answer 1

var N = 32;
var arr = new Array(N).fill(0);
 
arr[3] = 22;
arr[19] = 77;
 
for (var i = 0; i < N; i++) {
    document.write(arr[i] + "<br />");
}




    
/*
run:

0
0
0
22
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
77
0
0
0
0
0
0
0
0
0
0
0
0
         
*/

 

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