Show pageOld revisionsBacklinksExport to PDFBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. ====== Web Workers ====== ===== Inline ===== <code javascript> var blob = new Blob([` self.onmessage = function(e) { postMessage('Msg from worker'); } `]); var blobURL = window.URL.createObjectURL(blob); var worker = new Worker(blobURL); worker.postMessage(null); worker.onmessage = function(e) { console.log(e.data); } </code> ===== External ===== <code javascript main.js> var worker = new Worker('worker.js'); worker.addEventListener('message', function(event) { console.log('message received from worker => ', event.data); }); // listen to error event of worker worker.addEventListener('error', function(event) { console.error('error received from worker => ', event); }); worker.postMessage(null); // worker.terminate(); // When worker needs to be terminated from main thread </code> <code javascript worker.js> self.onmessage = function(event) { var x = 0; for (var i = 0; i < 200000000; i++) { x = x + i; } self.postMessage(x); } // self.close(); // When worker needs to terminate it self </code> development/js/webworker.txt Last modified: 2021/05/13 11:45by 127.0.0.1