Little knowledge you must know-html row to column conversion-HTML Tutorial-php.cn

Little knowledge you must know-html row to column conversion

零下一度

Release： 2017-04-25 14:14:46

Original

2644 people have browsed it

When learning html, what do we need to know and what little knowledge do we need to know? The editor below will introduce to you how to convert html rows to columns.

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 
<html> 
  <head>  
    <title>行转列</title>    
    <script type="text/javascript" src="jquery-1.4.2.min.js"></script> 
    <script type = "text/javascript"> 
        $(function(){ 
             
            var trs = $("#table tr"); 
            var tdLength = $("#table > tbody > tr:eq(1) > td").length;  
            $("#rc").html("rows:" + trs.length + "\t columns:" + tdLength); 
            var times = new Array(); 
            $("#row2col").click(function(){  
                var begin = new Date();  
                var newTable = $("<table></table>").css({"border":"1px red solid"}).attr("border","1"); 
                newTable.appendTo($("#show"));  
 
                for(var i = 0; i < tdLength; i++){ 
                    var tr = $("<tr></tr>"); 
                    trs.each(function(index){  
                        var td = $("td:eq("+i+")",$(this));  
                        tr.append(td.clone()); 
                    }); 
                    newTable.append(tr); 
                }  
                 
                var end = new Date(); 
                var totalTime = end.getTime() - begin.getTime(); 
 
                times.push(totalTime);   
 
                $("#time").append( "times:"+ totalTime + "<br/>"); 
                $("#avgTime").html(function(){ 
                    var totals = 0; 
                    var count = times.length; 
                    for(var i in times){ 
                        totals += times[i]; 
                    }  
                    return "平均时间：" + (totals/count) + "mm"; 
                }); 
            }); 
        }); 
    </script> 
  </head> 
   
  <body>   
  <input type = "button" value = "row2col" id = &#39;row2col&#39; /> 
  <p id = "rc"></p> 
  <p id = "time" ></p> 
  <p id = "avgTime"></p> 
      <p id = &#39;show&#39; > 
          
      </p> 
      <table border = "1" id = "table"> 
           <tr> 
            <td>1</td> 
            <td>2</td> 
            <td>3</td> 
            <td>4</td> 
           </tr> 
           <tr> 
            <td>1</td> 
            <td>2</td> 
            <td>3</td> 
            <td>4</td> 
           </tr> 
           <tr> 
            <td>1</td> 
            <td>2</td> 
            <td>3</td> 
            <td>4</td> 
           </tr> 
       </table>  
       
  </body> 
</html>

Copy after login

The above is the detailed content of Little knowledge you must know-html row to column conversion. For more information, please follow other related articles on the PHP Chinese website!