JavaScript for WordPress › Forums › Vanilla JavaScript › 1.3.7.8 Uncaught Type Error › Reply To: 1.3.7.8 Uncaught Type Error June 23, 2018 at 10:51 am #49590 Zac GordonKeymaster The error is saying that fullName is null. Try logging the vars that you set with console log. One possibility is that there is no element on the page with that class that is being selected. Is this happening in the example code without any changes?
