1. 创建标签 document.createElement()
2.$(tag).CSS('属性', 样式) 赋予标签属性样式
3. 设置定时器 改变位置 大小
- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <title>Title</title>
- <style>
- .container{
- padding: 50px;
- border: 1px solid #eeeeee;
- }
- .item{
- cursor: pointer;
- position: relative;
- width: 30px;
- }
- </style>
- </head>
- <body>
- <div class="container">
- <div class="item">
- <span > 赞 </span>
- </div>
- </div>
- <div class="container">
- <div class="item">
- <span > 赞 </span>
- </div>
- </div>
- <div class="container">
- <div class="item">
- <span > 赞 </span>
- </div>
- </div>
- <script src="../jquery-2.12.4.js"></script>
- <script>
- $('.item').click(function () {
- add1Element(this);
- function add1Element(self) {
- var right = 0;
- var top = 0;
- var fontSize = 15;
- var opacity = 1;
- var tag=document.createElement('span');
- tag.innerText = '+1';
- $(tag).css('position', 'absolute');
- $(tag).css('color', 'green');
- $(tag).css('right', right+'px');
- $(tag).css('top', top+'px');
- $(tag).css('fontSize',fontSize+'px' );
- $(tag).css('opacity', opacity);
- $(self).append(tag);
- var obj=setInterval(function (){
- right = right-5;
- top = top-5;
- fontSize = fontSize+5;
- opacity = opacity-0.1;
- $(tag).css('right', right+'px');
- $(tag).css('top', top+'px');
- $(tag).css('fontSize',fontSize+'px' );
- $(tag).css('opacity', opacity);
- if(opacity<0){
- clearInterval(obj)
- }
- }, 80)
- }
- })
- </script>
- </body>
- </html>
等属性
来源: http://www.bubuko.com/infodetail-2685314.html