实例分享jQuery实现拼图小游戏

<p id="box-p">
 <!--走不通时的提示！-->
 <p id="tips">
 <p>\(╯-╰)/ 哎呦，走不通啦!</p>
 </p>
 <p id="container">
 <p class="row">
 <p class="unit"><img src="http://yn321.cn3v.net/images/weini_part_01.png" alt="photo1"/></p>
 <p class="unit"><img src="http://yn321.cn3v.net/images/weini_part_02.gif" alt="photo2"/></p>
 <p class="unit"><img src="http://yn321.cn3v.net/images/weini_part_03.gif" alt="photo3"/></p>
 </p>
 <p class="row">
 <p class="unit"><img src="http://yn321.cn3v.net/images/weini_part_04.gif" alt="photo4"/></p>
 <p class="unit"><img src="http://yn321.cn3v.net/images/weini_part_05.gif" alt="photo5"/></p>
 <p class="unit"><img src="http://yn321.cn3v.net/images/weini_part_06.gif" alt="photo6"/></p>
 </p>
 <p class="row">
 <p class="unit"><img src="http://yn321.cn3v.net/images/weini_part_07.gif" alt="photo7"/></p>
 <p class="unit"><img src="http://yn321.cn3v.net/images/weini_part_08.gif" alt="photo8"/></p>
 <p class="unit"><img src="http://yn321.cn3v.net/images/weini_part_09.gif" alt="photo9"/></p>
 </p>
 </p>
</p

#box-p {
 position: relative;
 width: 508px;
 height: 631px;
 margin: 0 auto;
}

#container {
 width: 508px;
 height: 631px;
 margin: 0 auto;
 -webkit-box-sizing: border-box;
 -moz-box-sizing: border-box;
 box-sizing: border-box;
 border: 1px solid #d5e0e6;
}

#container > .row {
 display: -webkit-box;
 white-space: nowrap;
}

#container > .row > .unit {
 width: 169px;
 height: 209px;
 display: inline-block\9;/*兼容IE9/10*/
 vertical-align: top\9;/*兼容IE9/10*/
 box-sizing: border-box;
 border: 1px solid rgba(7, 157, 239, 0);
}

#container > .row > .unit.move {
 border: 1px solid rgba(7, 157, 239, 1);
}

#tips {
 width: 200px;
 height: 50px;
 background: rgb(152, 206, 50);
 position: absolute;
 z-index: 5;
 top: -50px;
 left: calc(50% - 100px);
 opacity: 0;
}

#tips > p {
 margin: 0;
 line-height: 50px;
 text-align: center;
 color: white;
}
.directions{
 width:50%;
 margin:0 auto;
 text-align: center;
 line-height: 30px;
 color: white;
 background-color: #a7cbf0;
}