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script.js
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script.js
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/*without function
var a =10;
var b =20;
var c = a+b;
console.log(c);
*/
/*with function but with no return
function add(a,b){
console.log(a+b);
}
function sub(a,b){
console.log(a-b)
}
add(10,20)
sub(20,10)
*/
/*
function arithmetic(a,b){
console.log(a+b);
console.log(a-b);
console.log(a*b);
console.log(a%b);
}
arithmetic(60,20)
arithmetic(100,50)
*/
/*with return
function add (a,b){
return a+b
}
add(10,20)
*/
/* with multiple returns
function arithmetic (a,b){
return [a+b,a-b,a*b,a%b]
}
console.log(arithmetic(50,20));
function arithmetic1 (a,b){
return {
sum: a+b,
difference :a-b,
product: a*b,
reminder: a%b
}
}
console.log(arithmetic1(50,20));
*/
/*
print even numbers in an array [1,2,3,4,5,6,7,8,9,10]
Normal Function
var result = [];
function even (arr){
for(var i =0; i<=arr.length-1;i=i+1){
if(arr[i]%2===0){
result.push(arr[i])
}
}
return result
}
console.log(even([1,2,3,4,5,6,7,8,9,10]));
*/
/*
Annonyomus Function
var result = [];
var a= function (arr){
for(var i =0; i<=arr.length-1;i=i+1){
if(arr[i]%2===0){
result.push(arr[i])
}
}
return result
}
console.log(a([1,2,3,4,5,6,7,8,9,10]));
*/
/*
IIFE Function
var result = [];
(function (arr){
for(var i =0; i<=arr.length-1;i=i+1){
if(arr[i]%2===0){
result.push(arr[i])
}
}
console.log(result);
})([1,2,3,4,5,6,7,8,9,10])
*/
/*
arrow function
var result = [];
var even = (arr)=>{
for(var i =0; i<=arr.length-1;i=i+1){
if(arr[i]%2===0){
result.push(arr[i])
}
}
return result
}
console.log(even([1,2,3,4,5,6,7,8,9,10]));
*/
/* Do while
let a =0;
do{
a += 1;
console.log(a);
}while(a<5)
*/
/* while loop
let a = 0;
let b = 0;
while (a<3){
a++;
b += a;
}
*/
/* Infinite loop example it is a bad approach
while (true){
console.log("Hello World");
}
*/
// My workout
// Syntax for function
/*function functionName(){
// function body
}
functionName() // function call
*/
/*function arithmetic(a,b){
console.log(a+b);
console.log(a-b);
console.log(a*b);
console.log(a%b);
}
arithmetic(8,4)*/
// function using return value
/* Normal Function
let result=[];
function even(arr)
{
for(var i=0; i<=arr.length-1;i++){
if(arr[i]%2!==0)
{
result.push(arr[i])
}
}return result;
}
console.log(even([1,2,3,4,5,6,7,8,9,10]));
*/
// Annonymous Function
let result=[];
let a=function(arr){
for( var i=0; i<arr.length-1; i=i+1){
if(arr[i]%2!==0){
result.push(arr[i])
}
}return result
}
console.log(a([1,2,3,4,5,6,7,8,9,10]));
// IIFE Function
let result1=[];
(function(arr1){
for( var i=0; i<arr1.length-1; i=i+1){
if(arr1[i]%2!==0){
result1.push(arr1[i])
}
}console.log(result1)
})([1,2,3,4,5,6,7,8,9,10])
//Arrow function
let result2=[];
let b=(arr)=>{
for(var i=0; i<=arr.length-1; i=i+1){
if(arr[i]%2!==0)
{
result2.push(arr[i])
}
} return result2
}
console.log(b([1,2,3,4,5,6,7,8,9,10]))