get or post method

Question

How do you get information from the user in a form and how do you update it?

Answer 1

You cannot get by using html, you need to use programing language, html is a markup language.
use JavaScript or PHP for post or get like
in JavaScript
var a = document.getElementById("my").value 
if your html tag has id my
and in PHP
$d=$_GET['my'];
if name attribute of html tag is my
and modified it as per your requirement.