Uncaught (in promise) TypeError: Illegal invocation

ByAnthony

Uncaught (in promise) TypeError: Illegal invocation error using jQuery ajax code. I don’t understand how this ajax JS parameters works but digging a deep research about the error shows me some correct solution. Here’s the code of mine that has `Uncaught (in promise) TypeError: Illegal invocation` error. JS code that has `Uncaught (in promise) TypeError:…

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How to fix ajax POST /wp-admin/admin-ajax.php 500 (Internal Server Error)?

ByAnthony

How to fix ajax POST /wp-admin/admin-ajax.php 500 (Internal Server Error)? I’m receiving this error in console when I’m about to call my ajax code backend. It appears to me that I am missing global variable in enable the code to work. See the wrong and correct coding below. It might be not the same issue…