syntax error: unexpected token <

Question

I\'ve tried many things and there\'s no way, always appears this error I tried to use only one option to see if passed, changed the call of jquery, but not.

I looked

Answer 1

This happened to me with a page loaded in via an iframe. The iframe src page had a 404 script reference. Obviously I couldn't find the script reference in the parent page, so it took me a while to find the culprit.