HTML表中的JS追加行

Question

I have a hidden field with some values, I have to append these values in HTML table.The number of columns in table is fixed. I have appended successfully,but after first row,it should append data in new row,instead it is appending in the same row. This is how I am doing

$("#btntbl").click(function () {
                debugger
                var tabl = $("#testTable");
                var vals = $("#txthidden").val();
                for (var i = 0; i < vals.split(";").length; i++) {                       
                        for (var j = 0; j < vals.split(";")[i].split(",").length; j++) {
                        tabl.append("<td>" + vals.split(";")[i].split(",")[j] + "</td>");
                    }
                }
            });

Also note that some users dont have value of disabled column JS Fiddle How can I add new row each time clicking the button?

Answer 1

You need to split twice and create tr for each row:

 $("#btntbl").click(function () { var tabl = $("#testTable"), vals = $("#txthidden").val(), rows = vals.split(';'), columns, i; for (i = 0; i < rows.length; i++) { columns = rows[i].split(','); tabl.append( '<tr>' + '<td>' + columns[0] + '</td>' + '<td>' + columns[1] + '</td>' + '<td>' + (columns[2] || '') + '</td>' + '</tr>' ); } }); 

 <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <input type="button" id="btntbl" value="Export to table"> <input type="hidden" value="User1,pwd1;User2,pwd2,disabled;User3,pwd3,disabled;User4,pwd4" id="txthidden" /> <table id="testTable" border="2"> <thead valign="top"> <tr> <th>User</th> <th>Password</th> <th>Disabled</th> </tr> </thead> </table> 

Answer 2

Just change target by adding a row

Change

var tabl = $("#testTable");

To

var tabl = $('<tr>');
$("#testTable").append( tab1);

Answer 3

jsFiddle demo

$("#btntbl").click(function () {                  
    var parts = $("#txthidden").val().split(";"), i=0;
    for (;i<parts.length;) {
        var j=0, tr="<tr>", subParts=parts[i++].split(",");          
        for (;j<3;)  tr += "<td>" + (subParts[j++]||"") +"</td>"; // concatenate
        $("#testTable").append( tr +"</tr>" );                    // Append once
    }
});

Answer 4

Here is how you can do it

var convertToTable = function (val) {
   val = val.split(';');
   val = val.map(function (v) {
      v = v.split(',');
      if (v.length === 2) v[v.length] = 'NA';
      return '<td>' + v.join('</td><td>') + '</td>';
   });
   val = '<tr>' + val.join('</tr><tr>') + '</tr>';
   return val;
}

and then

tabl.html(convertToTable(vals));

Demo here

Answer 5

您忘记了TD标签，只需在TD之前使用open标签，最后将其关闭