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  • 获取鼠标位置和区块在页面始终居中

     1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
     2     "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
     3 <html>
     4 <head>
     5 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     6 <title>dom</title>
     7 <style>
     8 * {
     9     margin:0;
    10     padding:0;
    11 }
    12 .toTop {
    13     display:inline-block;
    14     500px;
    15     height:400px;
    16     background-color:#969;
    17     fond-size:52px;
    18     line-height:400px;
    19     text-align:center;
    20     color:#fff;
    21     cursor:pointer;
    22 }
    23 </style>
    24 </head>
    25 <body>
    26     <div></div>
    27     <a class="toTop">上</a>
    28 <script src="../../../../js/jquery.min.js"></script>
    29 <script>
    30     $(function(){
    31         $(document).mousemove(function(e){
    32             $('div').html('X:'+e.pageX+' | Y:'+e.pageY);
    33         });
    34         jQuery.fn.center = function(){
    35             $(this).css({
    36                 'position':'absolute',
    37                 'top':($(window).height()-$(this).height())/2+$(window).scrollTop()+'px',
    38                 'left':($(window).width()-$(this).width())/2+$(window).scrollLeft()+'px',    
    39             })    
    40         };
    41         $('a').center();
    42     });
    43 </script>
    44 </body>
    45 </html>
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  • 原文地址:https://www.cnblogs.com/vscss/p/5538794.html
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