Created
August 9, 2015 09:45
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电梯楼层
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| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> | |
| <html xmlns="http://www.w3.org/1999/xhtml"> | |
| <head> | |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> | |
| <title>电梯楼层</title> | |
| <script type="text/javascript" src="http://libs.baidu.com/jquery/1.9.1/jquery.min.js"></script> | |
| <script> | |
| $(function(){ | |
| $(window).scroll(function(){ | |
| var num=0; | |
| var div_t=new Array(); | |
| var div_b=new Array(); | |
| for(var i=0;i<$('div').length;i++){ | |
| //alert($('#div'+(i+1))[0].offsetTop) | |
| div_t[i]=$('#div'+(i+1))[0].offsetTop-$('li:eq('+i+')')[0].offsetTop; | |
| div_b[i]=$('#div'+(i+1))[0].offsetTop+$('#div'+(i+1))[0].offsetHeight-$('li:eq('+i+')')[0].offsetTop-$('li:eq('+i+')')[0].offsetHeight; | |
| if($(window).scrollTop()>div_t[i] && $(window).scrollTop()<div_b[i]){ | |
| $('li').css("background","#fff"); | |
| $('li:eq('+i+')').css(" background","#C60"); | |
| } | |
| } | |
| }) | |
| $('li').click(function(){ | |
| var n=$(this).index(); | |
| $(window).scrollTop($('#div'+(n+1))[0].offsetTop-this.offsetTop); | |
| $('li').css("background","#fff"); | |
| $(this).css("background","#C60"); | |
| }) | |
| }) | |
| </script> | |
| <style> | |
| *{margin:0;} | |
| div{ | |
| font-size:80px;text-align:center;width:800px;margin:0 auto;border:3px solid #ccc; | |
| } | |
| ul{ | |
| position:fixed;top:20px;left:0px; | |
| } | |
| li{ | |
| list-style:none;width:50px;height:50px;line-height:50px;text-align:center; border:3px solid #ccc; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <ul> | |
| <li> div1</li> | |
| <li>div2</li> | |
| <li>div3</li> | |
| <li>div4</li> | |
| <li>div5</li> | |
| <li>div6</li> | |
| <li>div7</li> | |
| <li>div8</li> | |
| <li>div9</li> | |
| </ul> | |
| <div id="div1" style="height:500px;">div1</div> | |
| <div id="div2" style="height:300px;">div2</div> | |
| <div id="div3" style="height:400px;">div3</div> | |
| <div id="div4" style="height:100px;">div4</div> | |
| <div id="div5" style="height:500px;">div5</div> | |
| <div id="div6" style="height:800px;">div6</div> | |
| <div id="div7" style="height:600px;">div7</div> | |
| <div id="div8" style="height:700px;">div8</div> | |
| <div id="div9" style="height:500px;">div9</div> | |
| </body> | |
| </html> |
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