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September 6, 2023 18:27
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Timer</title> | |
| <style type="text/css"> | |
| body { | |
| margin: 0 auto; | |
| max-width: 40em; | |
| width: 88%; | |
| } | |
| #app { | |
| font-size: 2em; | |
| font-weight: bold; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <h1>Timer</h1> | |
| <div id="app" aria-live="polite">5</div> | |
| <script> | |
| // Get the #app element | |
| let app = document.querySelector('#app'); | |
| // Track the count | |
| let count = 5; | |
| /** | |
| * Play the chime sound | |
| */ | |
| function playSound () { | |
| let ding = new Audio('ding.mp3'); | |
| ding.play(); | |
| } | |
| // Run a callback function once every second | |
| let timer = setInterval(function () { | |
| // Reduce count by 1 | |
| count--; | |
| // Update the UI | |
| if (count > 0) { | |
| app.textContent = count; | |
| } else { | |
| app.textContent = '⏰'; | |
| clearInterval(timer); | |
| playSound(); | |
| } | |
| }, 1000); | |
| </script> | |
| </body> | |
| </html> |
Just tested in Chromium, Firefox, and Safari. It worked for me in all three instances, but... if you have Audio/Video autoplay blocked, you will get that error message, which seems reasonable.
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Not working anymore "Unhandled Promise Rejection: NotAllowedError: The request is not allowed by the user agent or the platform in the current context, possibly because the user denied permission".
Seems like browsers started to be more restrictive.