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0.20_workers.js
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0.20_workers.js
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//Web Workers
//A web worker is a JavaScript running in the background, without affecting the performance of the page.
var w;
function startWorker() {
if(typeof(Worker) !== "undefined") {
if(typeof(w) == "undefined") {
w = new Worker("demo_workers.js");
}
w.onmessage = function(event) {
document.getElementById("result").innerHTML = event.data;
};
} else {
document.getElementById("result").innerHTML = "Sorry, your browser does not support Web Workers...";
}
}
function stopWorker() {
w.terminate();
w = undefined;
}
//This is an example of a worker.
//Remember that it is pulling from "demo.workers.js"
//What this should do with the proper html is count from increments of 1 every second.
//It is going on in the background while other things are happening, pretty cool to see.
//Before implementing a worker, it is important to make sure that the worker will be supported.
//To check that, run:
if (typeof(Worker) !== "undefined") {
// Yes! Web worker support!
// Some code.....
} else {
// Sorry! No Web Worker support..
}