The new $wire.$dirty() method lets you check if a property's value has diverged from the server. It's...

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Livewire 4 introduces a `$wire.$dirty()` JavaScript method to detect when form data has changed locally but hasn't been synced to the server. This enables implementing beforeunload warnings to prevent accidental data loss when users navigate away from pages with unsaved changes. The method can check if any property is dirty or target specific properties, and integrates seamlessly with Alpine.js for conditional navigation blocking and visual feedback using existing wire:dirty directives.

Tracking Dirty State

Putting It Together (A Practical Example)