27 lines
800 B
HTML
27 lines
800 B
HTML
<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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</head>
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<body>
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<ul id="statuses"></ul>
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<script type="text/javascript">
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const list = document.getElementById("statuses");
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function appendOnlineStatus(onLine) {
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const label = onLine ? "device is now online" : "device is now offline";
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const txt = document.createTextNode(label);
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const li = document.createElement("li");
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li.appendChild(txt);
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list.appendChild(li);
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}
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window.addEventListener('offline', () => appendOnlineStatus(false));
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window.addEventListener('online', () => appendOnlineStatus(true));
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appendOnlineStatus(navigator.onLine);
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</script>
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</body>
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</html>
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