JAVASCRIPT

variable arguments js

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

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

how to access any argument in javascript

function example() {
	console.log(arguments);
  	console.log(arguments[0]);
} // Console outputs an array of each argument with its value

example('hi', 'hello'); 
// Outputs: 
// ['hi', 'hello']
// 'hi'

arguments in javascript

// For arrow functions, rest parameters should be preferred.
let functionExpression = (...args) => {
    console.log("Arguments", args)
};

what are the parameters and arguments in javascript

// what are the parameters and arguments in javascript
// Function parameters are the names listed in the function's definition. 
// Function arguments are the real values passed to the function.
function calculateArea(width, height){ // width and height are Parameters
  console.log*=(width * height);
}
calculateArea(2,3); // 2 and 3 are Arguments

javascript Function with Parameters

// program to print the text
// declaring a function
function greet(name) {
    console.log("Hello " + name + ":)");
}

// variable name can be different
let name = prompt("Enter a name: ");

// calling function
greet(name);

javascript arguments

function test()
{
  console.log(arguments);
}

test(1, 2, 3, 4, 5, 6)
//[Arguments] { '0': 1, '1': 2, '2': 3, '3': 4, '4': 5, '5': 6 }

how to create a function with parameters in JavaScript

function name(param, param2, param3) {

}

javascript function arguments

function add() {
  var sum = 0;
  for (var i = 0, j = arguments.length; i < j; i++) {
    sum += arguments[i];
  }
  return sum;
}

add(2, 3, 4, 5); // 14

argument functions in javascript

function hello(name) {
  alert("Hello " + name);
}
var name = "Person";
hello();

js function arguments

                          An Example of a function argument


function printValue(someValue) {
    console.log('The item I was given is: ' + someValue);
}

printValue('abc'); // -> The item I was given is: abc