Sweetalert is not working and some error at line 52

Question

The code is giving error at line 52 and sweetalert is not working can anyone tell me what's the solution?
https://code.sololearn.com/WJIZQ7Dsg7br/?ref=app

Answer 1

import jquery, in head this way...

https://www.sololearn.com/Discuss/2496642/?ref=app
not able to add script tag in post

Answer 2

Thanks buddy 👍