Why i get this error?

Question

https://code.sololearn.com/WiFcrb4SbZJC/?ref=app

Answer 1

Hope this helps ☺️☺️

https://code.sololearn.com/Wmr6ssMHb6p8/?ref=app

Answer 2

Its sololearn's bug?
i get this error many times too.

just input js code into <script> tag

Answer 3

Happy that helped☺️☺️.

If you get such kind of errors (doc.get.... value is null or such other) than include js in your html.

Answer 4

Hira Ali Thank you

Answer 5

Meet Mehta I could not believe myself I forgot the id
Thank you 🙏

Answer 6

The Lemon Thank you.. i get it now