function arguments code example

Example 1: javascript function variable arguments

function foo() {
  for (var i = 0; i < arguments.length; i++) {
    console.log(arguments[i]);
  }
}

foo(1,2,3);
//1
//2
//3

Example 2: js array as parameter

function myFunction(a, b, c) {//number of parameters should match number of items in your array
  	//simple use example
  	console.log("a: " + a);
  	console.log("b: " + b);
  	console.log("c: " + c);
}

var myArray = [1, -3, "Hello"];//define your array
myFunction.apply(this, myArray);//call function

Example 3: Function with Parameters

// program to print a text

#include <iostream>
using namespace std;

// display a number
void displayNum(int n1, float n2) {
    cout << "The int number is " << n1;
    cout << "The double number is " << n2;
}

int main() {
     
     int num1 = 5;
     double num2 = 5.5;

    // calling the function
    displayNum(num1, num2);

    return 0;
}