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WordPress How to Build a WordPress Plugin Building WordPress Widgets, and Shortcodes Adding AJAX To Plugins on the Front-End: Part 2

Juan Bolanos
Juan Bolanos
12,492 Points

Why not use wp_localize_script?

In this section Zac creates a function to inject the ajaxurl var to the wp_head, that then is accessible via javascript. I have worked on projects in the past and have set up an array of vars to be passed to javascript using wp_localize_script.

My questions: Is there a difference between the two methods in performance or error handling? Why use one vs the other?