<meta content="text/html;charset=utf-8" http-equiv="Content-Type" />
<script type="text/javascript" src="//apps.bdimg.com/libs/jquery/1.11.3/jquery.min.js"></script>
<img alt="示例图片" title="示例图片" src="http://ku.shouce.ren/img/zhong/time.png">
<span id = "txt">前面是张图片</span>
<input type = "button" id ="btn" value = "隐藏图片" />
<input type="button" id="btn1" style = "color:green" value = "显示出图片,并慢慢隐藏此按钮"/>
<input type = "button" id = "btn2" value = "按透明程度显示出图片" />
<input type = "button" id = "btn3" value = "按透明程度慢慢隐藏 "/>
<input type = "button" id = "btn4" value = "从上到下展开 "/>
<input type = "button" id = "btn5" value ="从下到上慢慢隐藏,展开完提示完成"/>