Question

How to create a zero filled array in TypeScript

Answer 1

let arr = new Array(20).fill(0);
 
arr[5] = 9183;
arr[16] = 1072;
 
for (let i = 0; i < 20; i++) {
    console.log(arr[i]);
}
 
 
     
     
/*
run:
      
0 
0 
0 
0 
0 
9183 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
1072 
0 
0 
0 
      
*/

 

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Answer 2

let arr = new Array(10).fill(0);
 
arr[4] = 8992;
arr[13] = 1743;

 
for (let i = 0; i < arr.length; i++) {
    console.log(arr[i]);
}
 
 
     
     
/*
run:
      
0 
0 
0 
0 
8992 
0 
0 
0 
0 
0 
undefined 
undefined 
undefined 
1743 
      
*/

 

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