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Friday, June 16, 2017

[HTML][JavaScript] 超簡單 檢測瀏覽器是否有支援 WebSocket

<!doctype html> <html> <head>     <meta charset="UTF-8">     <meta http-equiv="x-ua-compatible" content="ie=edge">     <script>         var supported = ("WebSocket" in window);         if (supported) alert("Supported WebSocket");     </script> </head> <body> </body> </html>

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