Build a Custom Modal using HTML CSS & JavaScript

Web Development
Norbert BM0

In this web development project we are going to create a modal component using HTML CSS & JavaScript.

What is a modal? it is a container for a specific message with optional actions. Our custom modal will container a header component for the modal title, a body container for the content and a footer section for what ever extions you wish to communicate to the user.

Modal Project content:

  • Intro
  • Project overview
  • Project Structure
  • Basic CSS styling
  • Button classes styling using CSS
  • Create the modal component in HTML
  • Styling the modal component using CSS
  • Add click event to the button using JavaScript
  • Create the modal component suing JavaScript
  • Close the modal using JavaScript click event listener
  • The this keyword for accessing the button in HTML using JavaScript
  • Create a second modal
  • Toggle between two modals
  • Create a new HTML page using a click event on the closing button

Useful Links:

Bootstrap 5 CDN

https://fonts.google.com/

https://fontawesome.com/

Copy the code for this project “Build a Payroll Web App using JavaScript” from below and just follow along if you wish

Project Img:

None

1 Modal HTML code:

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <link rel="stylesheet" href="style.css" />
    <title>Custom Modal</title>
  </head>
  <body>
    <div class="container">
      <h1>Custom Modal</h1>
      <button class="btn btn-success" onclick="lunchModal()">Click me</button>
      <!-- 
      <div class="modal">
        <div class="modal-container">
          <div class="modal-content">
            <div class="modal-header">
              Modal title <span class="btn btn-close">X</span>
            </div>
            <div class="modal-body">
              Lorem ipsum dolor sit amet consectetur adipisicing elit.
              Laudantium nesciunt fugiat minima aliquam voluptatem delectus
              velit blanditiis consequatur ipsum dolores ipsam soluta quasi vero
              nemo esse impedit maxime, facere hic.
            </div>
            <div class="modal-footer">
              <button class="btn btn-cancel">No</button>
              <button class="btn btn-success">Accept</button>
            </div>
          </div>
        </div>
      </div> -->
    </div>

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

2 Modal CSS code:

@import url("https://fonts.googleapis.com/css2?family=Roboto&display=swap");
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Roboto", sans-serif;
}

.container {
  width: 1000px;
  max-width: 100%;
  padding: 0 20px;
  margin: 0 auto;
  text-align: center;
}

h1 {
  font-size: 5rem;
  margin: 5rem auto;
}

/*Custom Btn*/
.btn {
  display: inline-block;
  font-weight: 500;
  line-height: 1.5;
  color: #212529;
  text-align: center;
  text-decoration: none;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  background-color: transparent;
  border: 1px solid transparent;
  padding: 0.375rem 0.75rem;
  font-size: 1rem;
  border-radius: 0.25rem;
  transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out,
    border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
  box-shadow: 0 0 5px 1px rgba(0, 0, 0, 0.3);
}

.btn-success {
  background-color: #26a69a;
  color: #fff;
}

.btn-cancel {
  background-color: #ee6e73;
  color: #fff;
}

.btn-close {
  background-color: #212529;
  color: #dddd;
}

.btn:active {
  transform: scale(0.98);
  box-shadow: none;
}

/*Custom modal*/
.modal {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  box-sizing: border-box;
  z-index: 1000;
  width: 100%;
  height: 100vh;
  overflow-x: hidden;
  overflow-y: auto;
  outline: 0;
  background-color: rgba(0, 0, 0, 0.2);
  animation: fadeIn-Out 0.3s ease;
}

@keyframes fadeIn-Out {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

.modal-container {
  position: relative;
  max-width: 500px;
  margin: 1.75rem auto;
  box-shadow: 0 0 15px 2px rgba(0, 0, 0, 0.2);
}

.modal-content {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  pointer-events: auto;
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: 0.3rem;
  outline: 0;
}

.modal-header {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1rem;
  border-bottom: 1px solid #dee2e6;
  background-color: rgba(102, 102, 102, 0.1);
  border-top-left-radius: calc(0.3rem - 1px);
  border-top-right-radius: calc(0.3rem - 1px);
  font-size: 1.2rem;
  font-weight: 700;
}

.modal-body {
  position: relative;
  flex: 1 1 auto;
  padding: 1rem;
  line-height: 1.5;
}

.modal-footer {
  display: flex;
  flex-wrap: wrap;
  flex-shrink: 0;
  align-items: center;
  justify-content: flex-end;
  padding: 0.75rem;
  border-top: 1px solid #dee2e6;
  border-bottom-right-radius: calc(0.3rem - 1px);
  border-bottom-left-radius: calc(0.3rem - 1px);
}

3 Modal JavaScript code:

// console.log("log");

const body = document.querySelector("body");

function lunchModal(e) {
  //   console.log(body);
  let createModal = document.createElement("modal");

  createModalFunc(modal());
  function createModalFunc(passInModal) {
    createModal.innerHTML = passInModal;
    body.appendChild(createModal);
  }

  if (e.id === "Accept") {
    console.log("yes");
    createModalFunc(modalInfo());
  } else if (e.id === "Back") {
    createModalFunc(modal());
  }
}

// create modal

const modal = () => `
<div class="modal">
        <div class="modal-container">
          <div class="modal-content">
            <div class="modal-header">
              Modal title <span class="btn btn-close" id="Close" onclick="removeModal()">X</span>
            </div>
            <div class="modal-body">
              Lorem ipsum dolor sit amet consectetur adipisicing elit.
              Laudantium nesciunt fugiat minima aliquam voluptatem delectus
              velit blanditiis consequatur ipsum dolores ipsam soluta quasi vero
              nemo esse impedit maxime, facere hic.
            </div>
            <div class="modal-footer">
              <button class="btn btn-cancel" onclick="removeModal()">No</button>
              <button class="btn btn-success" id="Accept" onclick="lunchModal(this);removeModal(this)">Accept</button>
            </div>
          </div>
        </div>
      </div>

`;

// info modal

const modalInfo = () => `
<div class="modal">
        <div class="modal-container">
          <div class="modal-content">
            <div class="modal-header">
              Terms & conditions <span class="btn btn-close" onclick="removeModal();newPage()">X</span>
            </div>
            <div class="modal-body">
                You have accepted the terms and conditions!
            </div>
            <div class="modal-footer">
              <button class="btn btn-cancel" id="Back" onclick="removeModal(this);lunchModal(this)">Back</button>
             
            </div>
          </div>
        </div>
      </div>

`;

// close modal function

const removeModal = (e) => {
  //   console.log(e.parentElement);
  //   const closeBtn = document.querySelector("#Close");
  //   console.log(closeBtn);

  //   const modal = e.parentElement.parentElement.parentElement.parentElement;
  //   modal.remove();
  const modal = document.querySelector("modal");
  //   console.log(modal);
  modal.remove();
};

//  create new page

function newPage() {
  body.innerHTML = `<div class = "container">
    <h1><i class="fas fa-thumbs-up"></i> Like this video </h1>
    </div>`;
}

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