Movie Seat Booking Project with JavaScript, HTML and CSS

This tutorial will teach us how to develop a Movie Seat Booking Project with plain JavaScript, HTML, and CSS.

Movie Seat Booking

Display movie choices and seats in a theatre to select from to purchase tickets.

Project Specifications

  • Display UI with movie select, screen, seats, legend & seat info
  • Users can select a movie/price
  • Users can select/deselect seats
  • User can not select occupied seats
  • The number of seats and price will be updated
  • Save seats, movies, and prices to local storage so that UI is still populated on refresh.

Movie Seat Booking Project with JavaScript, HTML and CSS

Create a folder called movie-seat-booking as the project workspace, and we will create all the project files in this folder.

1. index.html

Let's create index.html and add the following code to it:

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <link rel="stylesheet" href="style.css" />
    <title>Movie Seat Booking</title>
  </head>
  <body>
    <div class="movie-container">
      <label>Pick a movie:</label>
      <select id="movie">
        <option value="10">Avengers: Endgame ($10)</option>
        <option value="12">Joker ($12)</option>
        <option value="8">Toy Story 4 ($8)</option>
        <option value="9">The Lion King ($9)</option>
      </select>
    </div>

    <ul class="showcase">
      <li>
        <div class="seat"></div>
        <small>N/A</small>
      </li>
      <li>
        <div class="seat selected"></div>
        <small>Selected</small>
      </li>
      <li>
        <div class="seat occupied"></div>
        <small>Occupied</small>
      </li>
    </ul>

    <div class="container">
      <div class="screen"></div>

      <div class="row">
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat"></div>
      </div>
      <div class="row">
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat occupied"></div>
        <div class="seat occupied"></div>
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat"></div>
      </div>
      <div class="row">
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat occupied"></div>
        <div class="seat occupied"></div>
      </div>
      <div class="row">
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat"></div>
      </div>
      <div class="row">
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat occupied"></div>
        <div class="seat occupied"></div>
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat"></div>
      </div>
      <div class="row">
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat"></div>
        <div class="seat occupied"></div>
        <div class="seat occupied"></div>
        <div class="seat occupied"></div>
        <div class="seat"></div>
      </div>
    </div>

    <p class="text">
      You have selected <span id="count">0</span> seats for a price of $<span
        id="total"
        >0</span
      >
    </p>

    <script src="script.js"></script>
  </body>
</html>

2. script.js

Let's create a JavaScript file named script.js and add the following JavaScript code to it:

const container = document.querySelector('.container');
const seats = document.querySelectorAll('.row .seat:not(.occupied)');
const count = document.getElementById('count');
const total = document.getElementById('total');
const movieSelect = document.getElementById('movie');

populateUI();

let ticketPrice = +movieSelect.value;

// Save selected movie index and price
function setMovieData(movieIndex, moviePrice) {
  localStorage.setItem('selectedMovieIndex', movieIndex);
  localStorage.setItem('selectedMoviePrice', moviePrice);
}

// Update total and count
function updateSelectedCount() {
  const selectedSeats = document.querySelectorAll('.row .seat.selected');

  const seatsIndex = [...selectedSeats].map(seat => [...seats].indexOf(seat));

  localStorage.setItem('selectedSeats', JSON.stringify(seatsIndex));

  const selectedSeatsCount = selectedSeats.length;

  count.innerText = selectedSeatsCount;
  total.innerText = selectedSeatsCount * ticketPrice;
  
  setMovieData(movieSelect.selectedIndex, movieSelect.value);
}

// Get data from localstorage and populate UI
function populateUI() {
  const selectedSeats = JSON.parse(localStorage.getItem('selectedSeats'));

  if (selectedSeats !== null && selectedSeats.length > 0) {
    seats.forEach((seat, index) => {
      if (selectedSeats.indexOf(index) > -1) {
        seat.classList.add('selected');
      }
    });
  }

  const selectedMovieIndex = localStorage.getItem('selectedMovieIndex');

  if (selectedMovieIndex !== null) {
    movieSelect.selectedIndex = selectedMovieIndex;
  }
}

// Movie select event
movieSelect.addEventListener('change', e => {
  ticketPrice = +e.target.value;
  setMovieData(e.target.selectedIndex, e.target.value);
  updateSelectedCount();
});

// Seat click event
container.addEventListener('click', e => {
  if (
    e.target.classList.contains('seat') &&
    !e.target.classList.contains('occupied')
  ) {
    e.target.classList.toggle('selected');

    updateSelectedCount();
  }
});

// Initial count and total set
updateSelectedCount();

3. style.css

Let's create a CSS file named style.css and add the following CSS code to it:

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

* {
  box-sizing: border-box;
}

body {
  background-color: #242333;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  font-family: 'Lato', sans-serif;
  margin: 0;
}

.movie-container {
  margin: 20px 0;
}

.movie-container select {
  background-color: #fff;
  border: 0;
  border-radius: 5px;
  font-size: 14px;
  margin-left: 10px;
  padding: 5px 15px 5px 15px;
  -moz-appearance: none;
  -webkit-appearance: none;
  appearance: none;
}

.container {
  perspective: 1000px;
  margin-bottom: 30px;
}

.seat {
  background-color: #444451;
  height: 12px;
  width: 15px;
  margin: 3px;
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
}

.seat.selected {
  background-color: #6feaf6;
}

.seat.occupied {
  background-color: #fff;
}

.seat:nth-of-type(2) {
  margin-right: 18px;
}

.seat:nth-last-of-type(2) {
  margin-left: 18px;
}

.seat:not(.occupied):hover {
  cursor: pointer;
  transform: scale(1.2);
}

.showcase .seat:not(.occupied):hover {
  cursor: default;
  transform: scale(1);
}

.showcase {
  background: rgba(0, 0, 0, 0.1);
  padding: 5px 10px;
  border-radius: 5px;
  color: #777;
  list-style-type: none;
  display: flex;
  justify-content: space-between;
}

.showcase li {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 10px;
}

.showcase li small {
  margin-left: 2px;
}

.row {
  display: flex;
}

.screen {
  background-color: #fff;
  height: 70px;
  width: 100%;
  margin: 15px 0;
  transform: rotateX(-45deg);
  box-shadow: 0 3px 10px rgba(255, 255, 255, 0.7);
}

p.text {
  margin: 5px 0;
}

p.text span {
  color: #6feaf6;
}

Open index.html in Browser

Let's open the index.html file in the browser and you will be able to see the following screen:


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