ECMAScript Cookbook

How to do it...

1. Open your command-line application, and navigate to your workspace.
2. Create a new folder named 05-06-sending-shared-array-to-worker.
3. Copy or create an index.html that loads and runs a main function from main.js.
4. Create a main.js file with an onMessage function that logs out the result and type members of the received message data:

function onMessage(message) { 
  const { result, type } = message.data; 
  console.log('result from worker operation: %s', type, result); 
} 

5. Create a main.js file with a main method that defines constants for NUM_COUNT, BYTES_FOR_32_BIT, ARRAY_SIZE, and MAX_NUMBER:

export function main() { const NUM_COUNT = 2048; const BYTES_FOR_32_BIT = 4; const ARRAY_SIZE = NUM_COUNT * BYTES_FOR_32_BIT; const MAX_NUMBER ...