How can i display alert box in javascript from user input into my html form in my code below?

Question

https://code.sololearn.com/W1lBhJfinc41/?ref=app

Answer 1

JavaScript handles form submit does not use POST and GET variables since it's run directly from the device, no server redirection like PHP does.

Here is how JavaScript handles form data locally
https://code.sololearn.com/WYxjzT8AlDOU/?ref=app

Answer 2

thank you very, i understand how it works now