JSFiddle - React, Tailwind, and code Playground

by birdie2019

HTML

<div class="container">
  <button onclick="loginModal()">點我登入帳號</button>
  <hr>
  <button onclick="postModal()">點我新增貼文</button>

  <div class="modal" id="login-modal">
    <div>
      <div>帳號：<input type="text"></div>
      <div>密碼：<input type="password"></div>
      <hr>
      <button class="btn-close">關閉</button>
    </div>
  </div>
  
  <div class="modal" id="post-modal">
    <div>
      <div>標題：<input type="text"></div>
      <div>內文：<br><textarea></textarea></div>
      <hr>
      <button class="btn-close">關閉</button>
    </div>
  </div>

</div>

CSS

* {
  box-sizing: border-box;
  letter-spacing: 1px;
}

.container {
  width: 600px;
  margin: 10px auto;
}
.container button {
  width: 120px;
  background-color: #14375e;
  border-radius: 20px;
  padding: 10px;
  border: 0;
  letter-spacing: 1px;
  color: #fff;
  cursor: pointer;
}

.modal {
  z-index: 1;
  width: 100%;
  height: 100vh;
  padding: 20px;
  background-color: #eee;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: rgba(0, 0, 0, 0.4);
}
.modal > div {
  background-color: #fff;
  width: 300px;
  padding: 30px;
  border-radius: 5px;
  box-shadow: 0px 0px 20px rgba(0, 0, 0, 0.3);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.modal > div div {
  margin-bottom: 10px;
}
.modal > div button {
  width: 50px;
  border-radius: 0;
  background-color: rgb(0, 127, 119);
}
.modal > div input, .modal > div textarea {
  width: 100%;
  padding: 5px;
}

JavaScript

var loginMd = document.querySelector('#login-modal');
var postMd = document.querySelector('#post-modal');
var modals = document.querySelectorAll('.modal');
for (var modal of modals) {
    modal.style.display = 'none';
    var closeBtn = modal.querySelector('.btn-close');
    closeBtn.onclick = closeModal;
}

function loginModal() {
    loginMd.style.display = 'block';
}

function postModal() {
    postMd.style.display = 'block';
}

function closeModal () {
    event.target.closest('.modal').style.display = 'none';
}

window.onclick = function() {
    console.log(event.target);
    if (event.target == loginMd) {
        loginMd.style.display = "none";
    } else if (event.target == postMd) {
        postMd.style.display = "none";
    }
}