JS
Create a worker.js script. Do processing on receiving data, send data back when complete.
01
On the "main page", create a new Worker("worker.js"). Simply send data to the worker for processing and wait for response.
onmessage = (evt) => { PROCESS ON RECEIVE DATA var res = +evt.data.a + +evt.data.b;
02
RESPOND BACK WITH RESULTS postMessage(res); }; OPTIONAL - HANDLE ERRORS onerror = (err) => { console.log(err); } };
CREATE WORKER var work = new Worker("worker.js"); ON WORKER RESPONSE (RESULTS) work.onmessage = (evt) => { console.log(evt.data); };
03
OPTIONAL - HANDLE ERRORS work.onerror = (err) => { console.log(err); } SEND DATA TO WORKER work.postMessage({ a: 9, b: 8 });