Get and Post in HTML

Question

i understand the difference between
<form action="url" method="GET"> and
<form action="url" method="POST">

what i dont understand is where they went here
<form>
<input type="text" name="username" /><br />
<input type="password" name="password" />
</form>

i am new to coding so please dot tell me to look at the lessons.

Answer 1

methods : GET, POST, DELETE, PUT, OPTIONS, HEAD……

Answer 2

All methods work but they serve different purposes……

Answer 3

If you dont specify the method, GET will be used.

Answer 4

that doesn't tell me why the post method worked in the second one