Example 1
Code: Select all
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Using HTML5 Web Workers</title>
<script>
if(window.Worker) {
// Create a new web worker
var worker = new Worker("/examples/worker.js");
// Fire onMessage event handler
worker.onmessage = function(event) {
document.getElementById("result").innerHTML = event.data;
};
} else {
alert("Sorry, your browser do not support web worker.");
}
</script>
</head>
<body>
<div id="result">
<!--Received messages will be inserted here-->
</div>
</body>
</html>Example 2
Code: Select all
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Start/Stop Web Worker in HTML5</title>
<script>
// Set up global variable
var worker;
function startWorker() {
// Initialize web worker
worker = new Worker("/examples/worker.js");
// Run update function, when we get a message from worker
worker.onmessage = update;
// Tell worker to get started
worker.postMessage("start");
}
function update(event) {
// Update the page with current message from worker
document.getElementById("result").innerHTML = event.data;
}
function stopWorker() {
// Stop the worker
worker.terminate();
}
</script>
</head>
<body>
<h1>Web Worker Demo</h1>
<button onclick="startWorker();" type="button">Start web worker</button>
<button type="button" onclick="stopWorker();">Stop web worker</button>
<div id="result">
<!--Received messages will be inserted here-->
</div>
</body>
</html>