var

Question

ctx=c.getContext("2d"); can someone kindly help me find out what is the 2d stand for?why we can't put another number in?
and is the var stand for values?
thanks to every teacher.

Answer 1

2d is 2 dimentions.
you can use getContext('webgl').

var is a variable, a variabla recive a value. this value can be a number, string etc

Answer 2

what is getContext('webgl'). sorry?

Answer 3

it is 3d

Answer 4

he just want to make things more complicated just use 2d because we are in HTML i mean you have just two coordinates(x,y) not Autocad to use 3d or cinema4d.