<!DOCTYPE html> <html> <head> <title>Web Worker API</title> </head> <body> <h2>Example to check the browser support of Web Workers</h2> <div id="supported"></div> <div id="unsupported"></div> <button onclick="worker();">click me</button> <script type="text/javascript"> function worker() { if(typeof(Worker)!=="undefined"){ document.getElementById("supported").innerHTML="Supporting the browser"; } else { document.getElementById("unsupported").innerHTML="Not supporting";} } </script> </body> </html>