script id="worker1"
<script id="worker1" type="javascript/worker"> // This script won't be parsed by JS engines because its type is JavaScript/worker. // Simple code to calculate prime number and send it back to the parent page. self.onmessage = function(e) { self.postMessage("<h3>Worker: Started the calculation</h3><ul>"); var n = 1; search: while (n < 500) { n += 1; for (var i = 2; i <= Math.sqrt(n); i += 1) if (n % i == 0) continue search; // found a prime! postMessage("<li>Worker: Found another prime: " + n + "</li>"); } postMessage("</ul><h3>Worker: Done</h3>"); } </script>
