Send form data with jquery ajax json

Question

I\'m new in PHP/jquery I would like to ask how to send json data from a form field like (name, age, etc) with ajax in a json format. Sadly I can\'t found any relevant inform

Answer 1

here is a simple one

here is my test.php for testing only

here is my index.html

Name: 

Age: 

FavColor: 

Both file are place in the same directory