Basic-To-Advanced-JavaScript/Function/app.js at main · MaazWebDev/Basic-To-Advanced-JavaScript · GitHub

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// Function ? Function is a block of code that run particular task

//Types Of Function

//1.Function with function keyword

function hello(){

console.log("Hello World");

}

//2.Anonymous Function

var myFunction = function(){

console.log("Say My Function");

}

//SetInterval(function(){},1000)

//3.Arrow Function

let greetings = () => console.log("Say Greetings");

greetings();

//Parameters And Arguments

function sum(a,b){ // a , b are parameters

let total = a + b ;

return total;

}

//Invokation or Declaration

console.log(sum(5,10)); //Arguments

// let array = ["a","b"];

// console.log(array.push("c"));

// function isEven(num){

// if(num % 2 == 0){

// return true;

// }else{

// return false;

// }

// console.log(isEven(10));

// console.log(isEven(7));

let input = document.getElementById('num');

let answer = document.getElementById('answer');

function isEven() {

let num = input.value;

console.log(num);

if(num % 2 == 0){

answer.innerText = "Even Number"

}else{

answer.innerText = "Odd Number"

}

let num1 = document.getElementById('num1');

let num2 = document.getElementById('num2');

let result = document.getElementById('Calculation_Result')

function calculate(sign){

let num1Value = parseInt(num1.value);

let num2Value = parseInt(num2.value);

console.log(sign,num1Value,num2Value);

if(sign == '+'){

result.innerText = "Result " + (num1Value + num2Value);

}else if(sign == '-'){

result.innerText = "Result " + (num1Value - num2Value);

}else if(sign == '*'){

result.innerText = "Result " + (num1Value * num2Value);

}else if(sign == '/'){

result.innerText = "Result " + (num1Value / num2Value);

}

Basic-To-Advanced-JavaScript/Function/app.js at main · MaazWebDev/Basic-To-Advanced-JavaScript · GitHub

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