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jQuery and CSS3 implement like function

不言Original: 2018-06-25 17:49:071709browse

This article mainly introduces the sample code of jQuery CSS3 to implement the like function. Has very good reference value. Let’s take a look at it together

Rendering:

Picture (1) Initial picture

Picture (2) After clicking, the

code is as follows:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>jQuery+CSS3文章点赞功能代码</title>
<style type="text/css">
body{
 margin:0;
 padding:0;
}
.text-content{
 min-width:1180px;
 border-bottom: 1px solid #e7e7e7;
 border-top: 1px solid #e7e7e7;
 background: #f4f4f4;
}
.text-content h1{
 text-align:center;
 font-size: 20px;
 padding-top: 50px;
 color: #EB4F38;
}
.text-content p{
 padding: 10px 100px 40px 100px;
 clear: both;
 color: #333;
 display: block;
 font-family: "Microsoft Yahei","Helvetica Neue",Helvetica,Arial,sans-serif;
 font-size: 16px;
 line-height: 1.6;
 margin: 0 auto;
 outline: medium none;
 position: relative;
 width: 900px;
 word-wrap: break-word;
}
.praise{
 width:40px;
 height:40px;
 margin: 50px auto;
 cursor: pointer;
 font-size: 12px;
 text-align:center;
 position: relative;
}
#praise{
 display:block;
 width:40px;
 height:40px;
 margin:0 auto;
}
#praise-txt{
 height:25px;
 line-height:25px;
 display: block;
}
.praise img{
 width:40px;
 height:40px;
 display:block;
 margin: 0 auto;
}
.praise img.animation{
 animation: myfirst 0.5s;
 -moz-animation: myfirst 0.5s;  
 -webkit-animation: myfirst 0.5s;  
 -o-animation: myfirst 0.5s;  
}
#add-num{
 display:none;
}
#add-num .add-animation{
 color: #000;
 position:absolute;
 top:-15px;
 left: 10px;
 font-size: 15px;
 opacity: 0;
 filter: Alpha(opacity=0);
 -moz-opacity:0;
 animation: mypraise 0.5s ;
 -moz-animation: mypraise 0.5s ;  
 -webkit-animation: mypraise 0.5s ;  
 -o-animation: mypraise 0.5s ;  
 font-style:normal;
}
.praise .hover , #add-num .add-animation.hover , #praise-txt.hover{
 color: #EB4F38;
}
@keyframes myfirst
{
 0%{
  width:40px;
  height:40px;
 }
 50%{
  width:50px;
  height:50px;
 }
 100% {
  width:40px;
  height:40px;
 }
}
@-moz-keyframes myfirst 
{
 0%{
  width:40px;
  height:40px;
 }
 50%{
  width:50px;
  height:50px;
 }
 100% {
  width:40px;
  height:40px;
 }
}
@-webkit-keyframes myfirst 
{
 0%{
  width:40px;
  height:40px;
 }
 50%{
  width:50px;
  height:50px;
 }
 100% {
  width:40px;
  height:40px;
 }
}
@-o-keyframes myfirst 
{
 0%{
  width:40px;
  height:40px;
 }
 50%{
  width:50px;
  height:50px;
 }
 100% {
  width:40px;
  height:40px;
 }
}
@keyframes mypraise
{
 0%{
  top:-15px;
  opacity: 0;
  filter: Alpha(opacity=0);
  -moz-opacity:0;
 }
 25%{
  top:-20px;
  opacity: 0.5;
  filter: Alpha(opacity=50);
  -moz-opacity:0.5;
 }
 50%{
  top:-25px;
  opacity: 1;
  filter: Alpha(opacity=100);
  -moz-opacity:1;
 }
 75%{
  top:-30px;
  opacity: 0.5;
  filter: Alpha(opacity=50);
  -moz-opacity:0.5;
 }
 100% {
  top:-35px;
  opacity: 0;
  filter: Alpha(opacity=0);
  -moz-opacity:0;
 }
}
@-moz-keyframes mypraise 
{
 0%{
  top:-15px;
  opacity: 0;
  filter: Alpha(opacity=0);
  -moz-opacity:0;
 }
 25%{
  top:-20px;
  opacity: 0.5;
  filter: Alpha(opacity=50);
  -moz-opacity:0.5;
 }
 50%{
  top:-25px;
  opacity: 1;
  filter: Alpha(opacity=100);
  -moz-opacity:1;
 }
 75%{
  top:-30px;
  opacity: 0.5;
  filter: Alpha(opacity=50);
  -moz-opacity:0.5;
 }
 100% {
  top:-35px;
  opacity: 0;
  filter: Alpha(opacity=0);
  -moz-opacity:0;
 }
}
@-webkit-keyframes mypraise 
{
 0%{
  top:-15px;
  opacity: 0;
  filter: Alpha(opacity=0);
  -moz-opacity:0;
 }
 25%{
  top:-20px;
  opacity: 0.5;
  filter: Alpha(opacity=50);
  -moz-opacity:0.5;
 }
 50%{
  top:-25px;
  opacity: 1;
  filter: Alpha(opacity=100);
  -moz-opacity:1;
 }
 75%{
  top:-30px;
  opacity: 0.5;
  filter: Alpha(opacity=50);
  -moz-opacity:0.5;
 }
 100% {
  top:-35px;
  opacity: 0;
  filter: Alpha(opacity=0);
  -moz-opacity:0;
 }
}
@-o-keyframes mypraise 
{
 0%{
  top:-15px;
  opacity: 0;
  filter: Alpha(opacity=0);
  -moz-opacity:0;
 }
 25%{
  top:-20px;
  opacity: 0.5;
  filter: Alpha(opacity=50);
  -moz-opacity:0.5;
 }
 50%{
  top:-25px;
  opacity: 1;
  filter: Alpha(opacity=100);
  -moz-opacity:1;
 }
 75%{
  top:-30px;
  opacity: 0.5;
  filter: Alpha(opacity=50);
  -moz-opacity:0.5;
 }
 100% {
  top:-35px;
  opacity: 0;
  filter: Alpha(opacity=0);
  -moz-opacity:0;
 }
}
</style>
<script type="text/javascript" src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
</head>
<body>
<!--动态点赞开始-->
<p class="praise">
  <span id="praise">
    <img src="http://cdn.attach.qdfuns.com/notes/pics/201612/07/111158kzuumusztigszgsu.png" id="praise-img" />
  </span>
  <span id="praise-txt">145</span>
  <span id="add-num"><em>+1</em></span>
</p>
<!--动态点赞结束-->
<script>
  /* @author:Romey
   * 动态点赞
   * 此效果包含css3，部分浏览器不兼容（如：IE10以下的版本）
  */
  $(function(){
    $("#praise").click(function(){
      var praise_img = $("#praise-img");
      var text_box = $("#add-num");
      var praise_txt = $("#praise-txt");
      var num=parseInt(praise_txt.text());
      if(praise_img.attr("src") == ("http://cdn.attach.qdfuns.com/notes/pics/201612/07/111158g2kg4s2gk9hm4fd4.png")){
        $(this).html("<img src=&#39;http://cdn.attach.qdfuns.com/notes/pics/201612/07/111158kzuumusztigszgsu.png&#39; id=&#39;praise-img&#39; class=&#39;animation&#39; />");
praise_txt.removeClass("hover");
        text_box.show().html("<em class=&#39;add-animation&#39;>-1</em>");
        $(".add-animation").removeClass("hover");
        num -=1;
        praise_txt.text(num)
      }else{
        $(this).html("<img src=&#39;http://cdn.attach.qdfuns.com/notes/pics/201612/07/111158g2kg4s2gk9hm4fd4.png&#39; id=&#39;praise-img&#39; class=&#39;animation&#39; />");
        praise_txt.addClass("hover");
        text_box.show().html("<em class=&#39;add-animation&#39;>+1</em>");
        $(".add-animation").addClass("hover");
        num +=1;
        praise_txt.text(num)
      }
    });
  })
</script>
</body>
</html>

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