Created
March 19, 2018 15:37
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Testing the visibility API. Every time when I change the browser tab, the title page is changed.
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <meta http-equiv="X-UA-Compatible" content="ie=edge"> | |
| <title>🌍</title> | |
| </head> | |
| <body> | |
| <script type="text/javascript"> | |
| document.addEventListener('visibilitychange', (event) => { | |
| if (document.visibilityState === 'hidden') { | |
| document.title = '😴'; | |
| } | |
| if (document.visibilityState === 'visible') { | |
| document.title = '😊'; | |
| } | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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