JSFiddle - React, Tailwind, and code Playground

by mat1x228

HTML

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <link rel="stylesheet" href="styles.css" />
    <title>Aim Training | Проект 5</title>
  </head>
  <body>
    <div class="screen">
      <h1>Aim Training</h1>
      <a href="#" class="start" id = "start">Начать игру</a>
    </div>

    <div class="screen">
      <h1>Выберите время</h1>
      <ul class="time-list" id ="time-list">
        <li>
          <button class="time-btn"
          data-time = "10">
            10 сек
          </button>
        </li>
        <li>
          <button class="time-btn"  data-time = "20">
            20 сек
          </button>
        </li>
        <li>
          <button class="time-btn" data-time = "30">
            30 сек
          </button>
        </li>
      </ul>
    </div>

    <div class="screen">
      <h3>Осталось <span id="time">00:00</span></h3>
      <div class="board" id="board"></div>
    </div>
    <script src="app.js"></script>
  </body>
</html>

CSS

@import url('https://fonts.googleapis.com/css?family=Khula&display=swap');

* {
  box-sizing: border-box;
}

body {
  color: #fff;
  font-family: 'Khula', sans-serif;
  height: 100vh;
  overflow: hidden;
  margin: 0;
  text-align: center;
}

a {
  color: #fff;
  text-decoration: none;
}

a:hover {
  color: #16D9E3;
}

.start {
  font-size: 1.5rem;
}

h1 {
  line-height: 1.4;
  font-size: 4rem;
}

.screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  width: 100vw;
  transition: margin 0.5s ease-out;
  background: linear-gradient(90deg, #29323C 0%, #485563 100%);
}

.screen.up {
  margin-top: -100vh;
}

.time-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  list-style: none;
  padding: 0;
}

.time-list li {
  margin: 10px;
}

.time-btn {
  background-color: transparent;
  border: 2px solid #C0C0C0;
  color: #fff;
  cursor: pointer;
  font-family: inherit;
  padding: .5rem 1rem;
  font-size: 1.5rem;
}

.time-btn:hover {
  border: 2px solid #16D9E3;
  color: #16D9E3;
}

.hide {
  opacity: 0;
}

.primary {
  color: #16D9E3;
}

.board {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  width: 500px;
  height: 500px;
  background: linear-gradient(118.38deg, #29323C -4.6%, #485563 200.44%);
  box-shadow: -8px -8px 20px #2A333D, 10px 7px 20px #475462;
  border-radius: 30px;
  overflow: hidden;
}

.circle {
  background: linear-gradient(90deg, #16D9E3 0%, #30C7EC 47%, #46AEF7 100%);
  position: absolute;
  border-radius: 50%;
  cursor: pointer;
}

JavaScript

const startBtn = document.querySelector
('#start')

const screens = document.querySelectorAll ('.screen')

const timeList = document.querySelector ('#time-list')

const  timeEl = document.querySelector('#time')

const board = document.querySelector('#board')

const colors = ['#33ccff', '#ff99cc']

let time = 0

let score = 0



startBtn.addEventListener('click' , (event) => {
   event.preventDefault()
   screens[0].classList.add('up')
})

timeList.addEventListener('click' , event =>
{
   if (event.target.classList.contains('time-btn')){
   time = parseInt(event.target.getAttribute('data-time'))
   screens[1].classList.add('up')

    startGame()
    }
})

board.addEventListener('click' , event => {
    if (event.target.classList.contains('circle')){
     score++
     event.target.remove()
     createRandomCircle()
    }
})



function startGame() {
    setInterval(decreaseTime , 1000)
    createRandomCircle()
    setTime(time)
}

function decreaseTime() {
    if (time === 0){
finishGame()
    } else {
        let current = --time
        if (current <10) {
            current = `0${current}`   
    }
    setTime(current)
}
}

function setTime (value) {
    timeEl.innerHTML =`00:${value}`
}

function finishGame(){
    timeEl.parentNote.classList.add('hide')
 board .innerHTML = `<h1>Ваш Счет : <span class="primary">${score}</span></h1>`
}

 function createRandomCircle() {

 const circle = document.createElement ('div')

 const  size = getRandomNumber (10, 60)

 const {width , height} = board.getBoundingClientRect()

 const x = getRandomNumber(0, width - size)

 const y = getRandomNumber(0 , height - size)

 const color = getRandomColor()

 circle.classList.add('circle')
 circle.style.width = `${size}px`
 circle.style.height = `${size}px`
 circle.style.top = `${y}px`
 circle.style.left = `${x}px`


 board.append(circle)
}

 function getRandomNumber (min, max) {
   return Math.round(Math.random() * (max - min) + min)

}

function getRandomColor() {
    const index =...