Okay. I’m using a modified version of Live username availability checking: https://wordpress.org/plugins/live-username-availability-checking/
That plugin only works in wp admin. I’ve attached my version to make it work on the font end.
NOTE: I’m using a heavily customized register page. Some of the modifications for styling might not work for you. You can easily edit those on lines 17, 19 and 21.
If this doesnt work for your install, I’m sorry. It works for mine and that’s all I can focus on right now.
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