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  • After upgrading to version ACF Pro 5.7 I am now getting JavaScript error when using the code example above.

    The error is:

    acf.ajax.extend is not a function

    I know there is now a new JavaScript API with version 5.7, but I have no idea of even where to start to figure out how to update the code to work.

    Any help would be greatly appreciated and thank you in advance.