Add ALL the arguments passed to a function

addargs.js

function add(){
	var sum = 0;
  // Use "the arguments object" to add up all the arguments 
  // passed to a function
	for (i=0; i<arguments.length; i++){
  	var sum = sum + arguments[i];
  }
  console.log(sum);
}
// You can now add as many numbers as you like
// just by passing them to the function
add(1, 2, 5);