What is a parameter

Question

What is a parameter

Answer 1

A parameter id this
function a(parameter){
alert(parameter**2)
}(2)
//output :4

Answer 2

A parameter is the variable a function holds prepared for taking up an argument later.
function f(x) {
// code doing stuff with x
}
When you later call the function, for example like:
f(5);
... 5 is the argument for the parameter x.

Answer 3

oh thx