【每日一练】236—JS实现一款导航栏效果

每日一练7个月前发布 admin
1,227 0

第236练最终效果如下:

【每日一练】236—JS实现一款导航栏效果

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=”index.css” />
    <title>第236练</title>
  </head>
  <body>
    <nav class=”active” id=”nav”>
      <ul>
        <li><a href=”#”>主页</a></li>
        <li><a href=”#”>服务</a></li>
        <li><a href=”#”>关于</a></li>
        <li><a href=”#”>联系我们</a></li>
      </ul>
      <button class=”icon” id=”toggle”>
        <div class=”line line1″></div>
        <div class=”line line2″></div>
      </button>
    </nav>
    <script src=”index.js”></script>
  </body>
</html>

CSS:

@import url(‘https://fonts.googleapis.com/css?family=Muli&display=swap’);
* {
  box-sizing: border-box;
}
body {
  background-color: #eafbff;
  background-image: linear-gradient(
    to bottom,
    #eafbff 0%,
    #eafbff 50%,
    #5290f9 50%,
    #5290f9 100%
  );
  font-family: ‘Muli’, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
}
nav {
  background-color: #fff;
  padding: 20px;
  width: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
  transition: width 0.6s linear;
  overflow-x: hidden;
}
nav.active {
  width: 350px;
}
nav ul {
  display: flex;
  list-style-type: none;
  padding: 0;
  margin: 0;
  width: 0;
  transition: width 0.6s linear;
}
nav.active ul {
  width: 100%;
}
nav ul li {
  transform: rotateY(0deg);
  opacity: 0;
  transition: transform 0.6s linear, opacity 0.6s linear;
}
nav.active ul li {
  opacity: 1;
  transform: rotateY(360deg);
}
nav ul a {
  position: relative;
  color: #000;
  text-decoration: none;
  margin: 0 10px;
}
.icon {
  background-color: #fff;
  border: 0;
  cursor: pointer;
  padding: 0;
  position: relative;
  height: 30px;
  width: 30px;
}
.icon:focus {
  outline: 0;
}
.icon .line {
  background-color: #5290f9;
  height: 2px;
  width: 20px;
  position: absolute;
  top: 10px;
  left: 5px;
  transition: transform 0.6s linear;
}
.icon .line2 {
  top: auto;
  bottom: 10px;
}
nav.active .icon .line1 {
  transform: rotate(-765deg) translateY(5.5px);
}
nav.active .icon .line2 {
  transform: rotate(765deg) translateY(-5.5px);
}

JS:

const toggle = document.getElementById(‘toggle’)
const nav = document.getElementById(‘nav’)
toggle.addEventListener(‘click’, () => nav.classList.toggle(‘active’))
© 版权声明

相关文章

暂无评论

暂无评论...