Functions - SUMA

To do repetitive actions
To make a change it can occur at a single place
A block of code designed to perform a particular task

  function name (paramenter_1 , parameter_2) {
  // parameters work as local variables 
  // name can be any thing 
  }

  let a = 1;
  let b = 2;
  let c = 3;

  console.log("One plus Average of a and b is ", 1 + (a+b)/2);
  console.log("One plus Average of b and c is ", 1 + (b+c)/2);
  console.log("One plus average of a and c is ", 1 + (a+c)/2);

  function onePlusAvg (x,y) {
      return 1 + (x+y)/2

  }
  console.log("One plus Average of a and b is ", onePlusAvg(a,b));
  console.log("One plus Average of b and c is ", onePlusAvg(b,c));
  console.log("One plus average of a and c is ", onePlusAvg(a,c));

  // Arrow function with args
  const sum = (p,q) => {
      return p + q;
  }
  console.log(sum(1,2))

  // function without input args
  const hello = () => {
      console.log("hello");
  }
  hello()