return value in jas code example

Example 1: return value from javascript function

function num(x, y) {
	var sum = x + y;
	return sum;
}

Example 2: what does return do in javascript

function add(a, b) {
  return a + b; //Return stops the execution of this function
}

var sum = add(5, 24); //The value that was returned got but inside the variable sum