JavaScript Code

Function Syntax

function functionName(parameter1, parameter2) {
  //code
}

• function is a keyword
• functionName is the name of the function, by which it is called
• parameter1, parameter2,.. are the parameters. arguments received by the function are received in parameters. Any number of parameters can be defined.
• code is any valid JavaScript code.

Example

1. Function add that takes three arguments, and returns their sum.

function add(a, b, c) {
  result = a + b + b;
  return result;
}

console.log(add(5, 4, 7));