Question

How to create Int32Array in JavaScript

Answer 1

let abuffer = new ArrayBuffer(32); // 32 bytes

let i32arr = new Int32Array(abuffer);

for (let i = 0; i < i32arr.length; i++) {
    i32arr[i] = i;
}

i32arr[1] = 999;

for (let i = 0; i < i32arr.length; i++) {
    console.log(i32arr[i]);
}



 
/*
 
run:
 
0
999
2
3
4
5
6
7
 
*/

 

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Answer 2

let arr = new Int32Array([12, 94873, 1847445]);

for (let i = 0; i < arr.length; i++) {
    console.log(arr[i]);
}



 
/*
 
run:
 
12
94873
1847445
 
*/

 

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