Website Development

Javascript Event Listener triggering multiple times

Posted on April 20, 2026, 10:46 am • 731 Views

Posted on April 20, 2026, 10:46 am

I am completely stuck. It works perfectly on my local XAMPP server but breaks when I upload it to production. Any ideas?

Replied on April 20, 2026, 11:08 pm

PHP 8 is much stricter. You should always use `isset()` or the null coalescing operator `??` before accessing array keys to prevent that warning.

Replied on April 21, 2026, 8:47 am

Mobile browsers strictly block autoplaying media to save data. To bypass this, you MUST add the `muted` and `playsinline` attributes to your `<video>` tag.

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