How To Fix Uncaught Typeerror Cannot Assign To Read Only Property 0 There can be several reasons for the "uncaught typeerror" message in javascript. we review all the possible causes and fixes in this article. I'm trying to submit a form of a specific element in my webpage but i get a uncaught typeerror: cannot read property 'form' of undefined this is the javascript script for my webpage Prev Next 1 of 15