<script type="text/javascript" src="jquery-1.8.3.min.js"></script>
<style>
.for{overflow: hidden; width: 100%; zoom: 1;}
.for ul{list-style: none;}
.for ul li{ float: left; margin: 5px;}
.for ul li img{display: block;}
.btn{ width: 100px; height: 45px; text-align: center; line-height: 45px; background: blue; color: #fff;
-webkit-user-select:none;
-moz-user-select:none;
-ms-user-select:none;
user-select:none;
}
</style>
<div class="for"> <ul> <li><img id="m1" src="images/prt_1.jpg"/></li> <li><img id="m2" src="images/prt_1.jpg"/></li> </ul> </div> <div class="btn" onclick="forTo()">换菜按钮</div> </body> <script> var m1="images/prt_1.jpg" var m2="images/prt_2.jpg" var m3="images/prt_3.jpg" var m4="images/prt_4.jpg" var i=0 var a = [m1,m2,m3,m4]// jquery型 $("#m1").click(function(){ i++; if(i>a.length){ i=1; } $(this).prop("src","images/prt_"+i+".jpg"); }); // 方法型 function forTo(){ i++; if(i>a.length){ i=1; } $(‘#m2‘).prop("src","images/prt_"+i+".jpg"); }; </script>
