js实现字母字符向上漂浮动画效果代码-html代码-BFW代码库

js实现字母字符向上漂浮动画效果代码

代码语言：html

所属分类：动画

代码描述：js实现字母字符向上漂浮动画效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开


<!DOCTYPE html>
<html lang="en" >

<head>

  <meta charset="UTF-8">
  

  
  
  
  
<style>
body {
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: whitesmoke;
}

.animation-container {
  position: absolute;
  top: 25vh;
  left: 0;
  right: 0;
  bottom: 25vh;
  z-index: 1;
  background: #111111;
}

.animation-container span {
  position: absolute;
  color: whitesmoke;
  display: block;
  font-size: 18px;
  font-family: 'Helvetica';
  text-shadow: 0 0 1px white;
  user-select: none;
  pointer-events: none;
  cursor: default;
  z-index: 1;
  opacity: 0;
  top: 0;
  will-change: transform, opacity;
  animation-timing-function: ease-out;
  animation-name: move;
}

@keyframes move {
  0% {
    opacity: 0;
    top: 100%;
  }
  25% {
    opacity: 1;
  }
  50% {
    opacity: 1;
  }
  75% {
    opacity: 0;
  }
  100% {
    opacity: 0;
    transform: none;
  }
}
</style>



</head>

<body  >
  <script >
'use strict';

var app = {

  chars: ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', '.........完整代码请登录后点击上方下载按钮下载查看