NhanKhangg98

const arr = [1, 2, 3, 4, 5, 6];
let rt = 0;
for (let i = 0; i <= arr.length; i++) {
    rt += i;
}

console.log(rt)

NhanKhangg98

var twoSum = function(nums, target) {
    
    for (let i = 0; i < nums.length; i++){
        for (let j = 0; j < nums.length; j++){
            if(nums[i] + nums[j] == target && i !=j) {
                return [nums[i], nums[j]];
            }
        }
    }
};

NhanKhangg98

// 1
let n = 3;
if (n % 2 === 0) console.log("even");
else console.log("odd");

// 2
let age = 7;
let minAge = 7;
let maxAge = 12;
if (age >= minAge && age <= maxAge) console.log(true);

NhanKhangg98

// 1
var fizzBuzz = function(n) {
    let output = [];
    
    for (let i = 1; i <= n; i++) {
        let temp = "";
        if (i % 3 == 0  && i % 5 == 0) temp += 'FizzBuzz';
        else if (i % 3 == 0) temp += 'Fizz';
        else if (i % 5 == 0) temp += 'Buzz';
        else temp += i;

NhanKhangg98

let firstName = "Nguyen";
let lastName = "Nhan";
let age = "24";
let job = "software engineering";
let salary = "100";
console.log(`My name is ${firstName} ${lastName}, i'm ${age} years old. I work as ${company} and make ${salary}`)

NhanKhangg98

const players = [
    {jersey:56,name:"Djounte Murray",position:"Point guard",PPG:2.6},
    {jersey:98,name:"Dennis Rodman",position:"Small Forward",PPG:10.8},
    {jersey:1,name:"Michael Jordan",position:"Small Forward",PPG:345.6},
    {jersey:2,name:"Lebron James",position:"Shooting Guard",PPG:26.7},
    {jersey:33,name:"Patrick Ewing",position:"Center",PPG:20.2}
 ]

 const player2 = players.map((key, value) => {
    if (key === PPG) return Math.floor(value);

NhanKhangg98

const cars = [
    {name:'Ford',price:200},
    {name:'Nissan',price:400},
    {name:'Nissan',price:600}
 ]

 const str = cars.forEach((value)=> {
    console.log(`${value.name} is ${value.price}`);
 })

NhanKhangg98

const channels = [
    {name:'HBO',premium:true},
    {name:'LIFE',premium:false},
    {name:'Max',premium:true},
    {name:'Cooking channel',premium:false},
    {name:'WOBI',premium:false}
 ];

 const preChannel = channels.filter(p => p.premium == true);
 console.log(preChannel)

NhanKhangg98

const trips = [
    {to:'Brazil',distance:1000},
    {to:'Chine',distance: 2500},
    {to:'India',distance: 3000}
 ]
 const initialValue = 0;
 const sumWithInitial = trips.reduce(
   (previousValue, currentValue) => previousValue += currentValue.distance,
   initialValue
 );

NhanKhangg98

function kiemTra(mon1, mon2, mon3, khuVuc, doiTuong, diemChuan){
    let totalDiem = mon1 + mon2 + mon3;
    if(khuVuc === "A") totalDiem += 2
    if(khuVuc === "B") totalDiem += 1
    if(khuVuc === "C") totalDiem += 0.5
    if(doiTuong === 1) totalDiem += 2.5
    if(doiTuong === 2) totalDiem += 1.5
    if(doiTuong === 3) totalDiem += 1
    if ( mon1 !== 0 && mon2 !== 0 && mon3 !== 0 && totalDiem >= diemChuan)
        console.log(`thi sinh duoc tong ${totalDiem} va dau`)