Created
March 23, 2016 11:19
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Are you online?</title> | |
| <style> | |
| body { | |
| color: #fff; | |
| font-family: sans-serif; | |
| font-weight: 900; | |
| line-height: 100vh; | |
| height: 100vh; | |
| width: 100vw; | |
| text-align: center; | |
| font-size: 8vw; | |
| overflow: hidden; | |
| background: #000; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| LOADING... | |
| <script> | |
| function isOnline() { | |
| var xhr = new XMLHttpRequest(); | |
| var status; | |
| xhr.open('GET', "https://maps.googleapis.com/maps/api/timezone/json?rand=" + Math.floor(Math.random() * 10000), false); | |
| document.body.innerHTML = "LOADING..."; | |
| try { | |
| xhr.send(); | |
| console.log(xhr.status); | |
| return ( xhr.status >= 200 && (xhr.status < 300 || xhr.status === 304) ); | |
| } catch (error) { | |
| console.log(xhr.status); | |
| return false; | |
| } | |
| } | |
| setInterval(function() { | |
| document.body.style.background = 'black'; | |
| if (isOnline()) { | |
| document.body.style.background = '#8BC34A'; | |
| document.body.innerHTML = "ONLINE"; | |
| document.title = "#ONLINE"; | |
| } else { | |
| document.body.style.background = '#F44336'; | |
| document.body.innerHTML = "OFFLINE"; | |
| document.title = "(!) OFFLINE"; | |
| } | |
| }, 3000); | |
| </script> | |
| </body> | |
| </html> |
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