Created
March 4, 2013 01:34
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Treehouse Web Standard Technology Quick Tip:
Online / Offline Demo As seen at:
http://www.youtube.com/watch?v=8y7O-5TnCUg
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| <!doctype html> | |
| <html> | |
| <head> | |
| <title>Online / offline Demo<title> | |
| <style> | |
| body { background: #6c6; } | |
| body.offline { background: #ccc; } | |
| .container { | |
| width: 500px; | |
| background: #fff; | |
| border: 1px solid #444; | |
| padding: 20px; | |
| text-align: center; | |
| margin: 100px auto; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div class="container"> | |
| <h1>Online / Offline Demo</h1> | |
| <h2>This device is currently <span id="status">...</span></h2> | |
| </div> | |
| <script> | |
| function updateStatus() { | |
| var textStatus = navigator.onLine ? "online" : "offline"; | |
| document.getElementById("status").innerHTML = textStatus; | |
| if (navigator.onLine) { | |
| document.body.classList.remove("offline"); | |
| } else { | |
| document.body.classList.add("offline"); | |
| } | |
| } | |
| window.addEventListener("online"), updateStatus); | |
| window.addEventListener("offline"), updateStatus); | |
| updateStatus; | |
| </script> | |
| </body> | |
| </html> |
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