Question

How to allocate 1MB in TypeScript

Answer 1

// Allocates 1MB = 1,048,576 bytes
const buffer: Uint8Array<ArrayBuffer> = new Uint8Array(1024 * 1024); 
 
console.log(buffer.length); 
 
 
/*
run:
 
1048576 
 
*/

 

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Answer 2

// Allocates 1MB = 1,048,576 bytes
const array: number[] = new Array(1024 * 1024).fill(0); 

console.log(array.length);
 
 
/*
run:
 
1048576 
 
*/

 

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Answer 3

// Allocates 1MB = 1,048,576 bytes
const buffer: Buffer = Buffer.alloc(1024 * 1024); 

console.log(buffer.length);

 
 
/*
run:
 
1048576
 
*/

 

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