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Code examples for h5+css3 to achieve image fly-in and fade-out effects

Y2JOriginal: 2017-05-23 10:32:188057browse

As many friends know, the poster has recently been developing an adaptive page with responsive layout on the mobile side. Now I am sharing a small demo that I just finished writing

html:

<!doctype html><html lang="en"><head><meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"><meta name=&#39;apple-mobile-web-app-capable&#39; content=&#39;yes&#39; /><meta name="format-detection" content="telephone=no" /><meta http-equiv=&#39;Content-Type&#39; content=&#39;textml;charset=UTF-8&#39; /><title>移动端</title><link rel="stylesheet" href="css/style.css" type="text/css" /></head><body> 
  <div class="img"> <img src="images/img-1.jpg" /></div>
 <script type="text/javascript">
  function imgAnimation(){  var imgObj = document.getElementsByTagName("div")[0];
  imgObj.onclick =function(){  if(imgObj){
 imgObj.className = "img imgAnimation";  
  }
  }
  } 
imgAnimation(); </script></body></html>

css:

@charset "utf-8";/* CSS Document */body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,form,input,table,tbody,p,th,td{ -webkit-text-size-adjust:none; margin: 0; padding: 0; border: none; -webkit-tap-highlight-color:rgba(0,0,0,0); font-size: 1em; font-family:"Microsoft Yahei","微软雅黑",Tahoma,Arial,Helvetica ,STHeiti; color: #4c4948; }html,body{ min-height:100%; }img,input,button,a,select,textarea{ margin: 0; padding: 0; resize:none; border:none; outline:none; } ol,ul { list-style:none; } h1,h2,h3,h4,h5,h6,p,em{ font-size:100%; word-wrap:break-word; font-weight: normal; font-style: normal; }a:active, a:focus{ outline:none; }button::-moz-focus-inner,input::-moz-focus-inner{ padding:0; border:0; }table{ border-collapse:collapse; border-spacing:0; }.clearfix:after { content: "."; display: block; height: 0; clear: both; visibility: hidden; font-size:0; }.clearfix{ zoom:1; }a{ color: #4c4948; text-decoration: none; }.img{ width: 190px; height: 120px; padding: 3px; border: 1px solid #ccc; position: absolute;z-index: 12; top: 50px; left: 50%;
 margin-left: -95px; } /*动画名字， 动画运行的时间，alternate平滑过渡， infinite是反复执行*/
 .imgAnimation{
      animation-name: imgAnimation;
      animation: imgAnimation 2s alternate infinite;
      -webkit-animation: imgAnimation 2s alternate infinite;
      -moz-animation: imgAnimation 2s alternate infinite;
 } /*
  @-webkit-keyframes imgAnimation{
    0%{ left: -198px}
    100%{ left: 50%;}
 }
  @-moz-keyframes imgAnimation{
    0%{ left: -198px}
    100%{ left: 50%;}
 } */
 
 @-webkit-keyframes imgAnimation{
    0%{ opacity: 0}
    50%{ opacity: 0.5}
    100%{ opacity: 1}
 }
  @-moz-keyframes imgAnimation{
    0%{ opacity: 0}
    50%{ opacity: 0.5}
    100%{ opacity: 1}
 }

The part of code blocked in css is the css that picture flies in. It is simple and practical, and much more convenient than handwriting js back then.

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