Will someone please check this code?

Question

I made a Notes app. It was working neatly till yesterday but today it is not saving the notes. I have not changed the code. Do you think it is because of internet connection? If it is not then please tell me what I did wrong.

Here is the code:
https://sololearn.com/compiler-playground/WovfcT5q7ELF/?ref=app

Edit : Hey it was because of my internet speed. The code is working now.

Answer 1

Saves notes when I test it

Answer 2

Yes Rik Wittkopp it was because of my internet speed. The code is working now. Also thanks for your answer.