js案例之鼠标跟随jquery版(实例讲解)

2019-11-19 16:01:51

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废话不多说，直接上代码

<!DOCTYPE html><html lang="en"><head>  <meta charset="UTF-8">  <title>Document</title>  <style>    body,div{      margin:0;      padding:0;    }    img{      display:block;      border:none;    }    .box{      position:relative;      width:450px;      margin:20px auto;    }    .box img{      float:left;      margin-left:10px;      width:100px;      height:75px;      border:1px solid #008000;    }    #mark{      display:none;      position:absolute;      top:0;      left:0;      z-index:10;      width:400px;      height:300px;      border:1px solid #0077b0;    }    #mark img{      float:inherit;      margin-left:0;      border:none;      width:100%;      height:100%;    }  </style></head><body>  <div class='box' id='box'>    <img src="img/apple_1.jpg" alt="" bigImg='img/apple_1_bigger.jpg'>    <img src="img/apple_2.jpg" alt="" bigImg='img/apple_2_bigger.jpg'>    <img src="img/apple_3.jpg" alt="" bigImg='img/apple_3_bigger.jpg'>    <img src="img/apple_4.jpg" alt="" bigImg='img/apple_4_bigger.jpg'>    <div id='mark'>      <img src="img/apple_1_bigger.jpg" alt="">    </div>  </div>  <script src='js/jquery-1.11.3.min.js'></script>  <script>    $(function(){      var $box = $("#box"),$mark = $("#mark");      var $boxOffset = $box.offset();//获取当前元素的距离body的偏移      $box.children("img").bind("mouseover",function(e){        var e = e || window.event;        e.target = e.target || e.srcElement;        var left = e.clientX - $boxOffset.left+10;        var top = e.clientY - $boxOffset.top+10;        $mark.stop().show(500).css({left:left,top:top}).find("img").attr("src",e.target.getAttribute("bigImg"));      }).bind("mousemove",function(e){        var e = e || window.event;        e.target = e.target || e.srcElement;        var left = e.clientX - $boxOffset.left+10;        var top = e.clientY - $boxOffset.top+10;        $mark.css({left:left,top:top}).find("img").attr("src",e.target.getAttribute("bigImg"));      }).bind("mouseout",function(e){        $mark.stop().hide(500);      })    })  </script></body></html>

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