What's the difference betn parameters & variables used in a function?

Question

Are parameters variables described within 1st bracket of functions?

Answer 1

Parameters are limits, variables are values that JS is assigning a datatype to behind the scenes.

Answer 2

same

Answer 3

they are the same

Answer 4

examples: var x = 5, y=6; //x & y both r variables which has value of 5, 6.
myFun(5, y); // 5, y both r parameters. it can be value or variable.
function myFun(a, b){} //here a, b both r arguments where a=5 & b=y=6.