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nvurgaft/Worker.js

Created December 25, 2016 16:12
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A simple call and back using a webworker
Raw
app.js
document.onload = function () {
console.info("Document loaded");
}
var worker;
function runWorker() {
if (window.Worker) {
worker = new Worker("Worker.js");
worker.onmessage = function (msg) {
document.querySelector("#resultarea").innerHTML = msg;
}
} else {
console.debug("Web workers are not supported");
}
}
function sendMessage() {
if (worker) {
worker.postMessage("Aloha");
}
}
Raw
index.html
<html>
<head>
<title></title>
<script src="app.js"></script>
</head>
<body>
<button onclick="runWorker()">Run worker job</button>
</br></br>
<button onclick="sendMessage()">Send message to worker</button>
</br></br>
<textarea name="" id="resultarea" cols="30" rows="10"></textarea>
</body>
</html>
Raw
Worker.js
onmessage = function(event) {
console.debug("posting message: ", event.data);
postMessage(event.data);
}
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