Building Dynamic Dependent Dropdowns with Ajax in CodeIgniter 4

This is Codeigniter 4 tutorial on Dynamic dependent dropdown using Ajax. This is furthermost tutorial on Dynamic dependent select box in Codeigniter 4 with Ajax jQuery. Dynamically dependent select box is mainly used in the country state and city selection or category and sub category option selection, we have used on the web page. And under this dynamic dependent dropdown list box child field data changes according to the value of it's parent field.
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[@adarshsaklani4971]

Thank you Sir 🤝

[@muhammadiqbal9171]

thanks.. 👍👍

[@DEPODEVELOPER-bc9yd]

Thanks Great Tutorial ❤

[@gurpreetmajoka4]

Vikrant ji fine content

[@slimfit9605]

hello, how can I show the person cards suitable for the selection after the selection is made? namely the filtering process.

[@saviocardoso6719]

how to use set_select