Functions • 2 min read

Simple Function

function hello() {
    console.log("Hello World!")
}

hello()

Function with Arguments

%%js

//Functon takes two paramters and outputs the product
function multiplication(param1, param2) {
    console.log(param1 * param2);
}

//Numbers can be directly added into the parameters
multiplication(5,2) //5 * 2
multiplication(10,10) //10 * 10

//Function takes two parameters and outputs the sum
function addition(param1, param2) {
    console.log(param1 + param2)
}

//Variables can also be added into the parameters
let num1 = 5
let num2 = 5
addition(num1,num2) // 5 + 5

Function with Return

%%js

//Function that returns a number times 5
function timesFive(num) {
    return num * 5
}

//If the variable is a Number, then output the result
if (typeof num === Number) {
    console.log(result)
} else {
    console.log("Please Enter a Number")
} // else output "Please Enter a Number"

result = timesFive("Hello") //Outputs NaN
result = timesFive(5) // Outputs 25

Global & Local Scopes in Functions