JavaScript: Functions

Question 1

JavaScript: Function

Answer 1

A function is just a series of statements that are grouped together into a special pacakage in JavaScript.

Function Basics

• Defined with the function keyword
• Functions have to be declared
• Function name optional
• Function Parameters are optional
  
  • You can have 0 or as many parameters as you want, and these will become variables that are local to and only available inside your function.
• Funciton Statements go inside the curly braces and are instructions for the function to do something they are seperated by semicolons.