What's the use of name and value attributes of form tag in html?

Question

in the code below, if i change the values of 'name' and 'value' attributes, the output remains the same..then what's the use of those attributes?
https://code.sololearn.com/W7hRZguq2z3s/?ref=app

Answer 1

Try with type="text", you’ll see the difference and maybe you will understand ;)

Answer 2

oh great..but still "name" attribute remains unexplained..

Answer 3

I think it’s like id,class :
you can reference it by document.getElementByName();

Answer 4

In javascript