<input type="checkbox" name="gender" value="2" />Female <br /> what is value ="2" mean here

Question

Value in html

Answer 1

value attribute on input fields are the actual data which gets send to the server when the form is submitted..
In here, value can be anything which defines that particular checkbox, 2 is used as a numeric representation to the Female checkbox

Answer 2

Why we use html in real life

Answer 3

The course in here explains the Detail of html,
https://www.sololearn.com/learn/HTML/1021/