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81 lines (60 loc) · 1.75 KB
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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);
}
}