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非常有趣的九九乘法表_html/css_WEB-ITnose

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2016-06-24 11:44:182816browse

nbsp;html>

九九乘法表 title >

     body{font-size: 12px;font-family: "微软雅黑";color: #666;}

     table{margin-top: 50px;}

     table td{border:1px solid #ccc;font-size: 14px;padding: 5px;}

     table td:hover{background:#141414;color:#fff;cursor: pointer;}

     h1{text-align: center;height: 50px;}

     .control{width: 300px;height: 30px;position: absolute;top: 50px;right: 20px;}

     #number{height: 20px;outline: none;}

     #btn{width:60px;height:26px;border:0;border-radius: 0 3px 3px 0;outline: none;cursor: pointer;}

style >

head >

     非常有趣的九九乘法表 h1 >

    

        

     div >

    

 

     div >

 

     gb_changfabiao(9);

     //循环打印乘法表

     function gb_changfabiao(number){

         var html = "";

         for(var i = 1; i 

         html += "";

         for(var j = 1; j 

             html += "" + j + "*" + i + "=" + (i*j) + " td >";

         }

         html += " tr >";

         }

         html += " table >";

     

         document.getElementById("box").innerHTML = html;

     }

     

     //获取number

     function change(obj){

         var number = document.getElementById("number").value;

         if(number == ""|| number 

             return gb_changfabiao(9);

         }

         gb_changfabiao(number);

     }

     

     //回车确认

     document.onkeydown = function(e){

         if(!e) e = window.event;

         if((e.keyCode || e.which) == 13){

             document.getElementById("btn").click();

         }

     }

 

script >

body >

html >

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