<p>计数: <output id="result"></output></p> <button onclick="startWorker()">开始工作</button> <button onclick="stopWorker()">停止工作</button> <p><strong>注意:</strong> Internet Explorer 9 及更早 IE 版本浏览器不支持 Web Workers.</p> <script> var w; function startWorker() { if(typeof(Worker) !== "undefined") { if(typeof(w) == "undefined") { w = new Worker("/statics/demosource/demo_workers.js"); } w.onmessage = function(event) { document.getElementById("result").innerHTML = event.data; }; } else { document.getElementById("result").innerHTML = "抱歉,你的浏览器不支持 Web Workers..."; } } function stopWorker() { w.terminate(); w = undefined; } </script>