Hiroaki21’s Profile | Apple Developer Forums

Reply to Preventing JavaScript from Stopping in Safari When It Goes into the Background

The operating environment is iOS. So, it is intentional for the operation to stop in the background on iOS. @Braden_Tiernan I first learned that this can be detected! Thank you!

Safari & Web General

Mar ’25

Reply to Preventing JavaScript from Stopping in Safari When It Goes into the Background

SampleCode <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <style> .counter { display: flex; font-size: 70px; justify-content: center; align-items: center; margin-top: 50%; } </style> </head> <body> <p class="counter"></p> </body> <script> let count = 0; setInterval(() => { count++; document.querySelector('.counter').textContent = count; }, 1000); </script> </html>

Safari & Web General

Mar ’25

Hiroaki21

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