loops.js

// for loop
for (let i=0; i<=10; i++) {
    console.log(i);
}
// Another Way
let i;
for (i=0; i<=10; i++) {
    console.log(i);
}

// ! for loop break
// TODO:Fix later
let i;
for (i=0; i<100; i++) {
    i++;
    console.log(i);
    if (20 == i) {
        break;
    }
}

// Condition inside for loop
let i;
for (i=0; i<10; i++) {
    if (i%2==0) {
        console.log(i);
    }
}

// Another Way
let i;
for (i=0; i<10; i+=2){
    console.log(i);
}

// Increase Manually
let i;
for (i=1; i<10; i++){
    if (i%2 == 0) {
        console.log(i);
    }
}

// for...in loop
var name = {
    fname: 'Jubayer',
    lname: 'Hossain'
}
for (var key in name) {
    if (name.hasOwnProperty(key)) {
        console.log(key, name[key]);
    }
}

// for....of loop
let country = "Bangladesh";
for (const letter of country) {
    console.log(letter);
}

// Numbers
let numbers = [2, 1, 0, -3, 4, 5];
for (let num of numbers) {
    console.log(num);
}

// for....Each
let ages = [23, 22, 21, 20, 34, 56, 67, 88];
ages.forEach(function(age) {
    console.log(age)
})

// index, age
const ages = [23, 22, 21, 20, 34, 56, 67, 88];
ages.forEach(function(index, age){
    console.log(index, age);
})

// using arrow function
const ages = [23, 22, 21, 20, 34, 56, 67, 88];
ages.forEach((age) => {
    console.log(age)
})

let ages = [23, 22, 21, 20, 34, 56, 67, 88];
ages.forEach((index, age) => {
    console.log(index, age);
})

// while loop
// Infinite Loop
let i = 10;
while (true) {
    i++
    console.log(i);
}

// Break This lopp With break statement
let i = 0;
while (true) {
    i++;
    console.log(i);
    if (i == 10) {
        break;
    }
}

// Condition inside while
let i = 0;
while(i < 10) {
    i++;
    console.log(i);
}

// Check Condition
let i = 0;
while (i <10) {
    i++;
    if (i%2 == 0) {
        console.log(i);
    }
}

// Check Condition Another Way
let i = 0;
while(i < 10) {
    i += 2;
    console.log(i);
}



// do..while loop 
// In do...while loop condition at the end 
let i = 0;
do {
    i++;
    console.log(i);
} while  (i<10)