我的Jquery中的增量不能正常工作?

时间:2013-01-30 08:13:17

标签: javascript jquery increment hidden-field

我想在jquery中增加隐藏字段值附加但是当我打印值将其初始化为隐藏字段时,它不会增加只打印“2”,

<script type="text/javascript">
    var k=0,j=0;
        $(document).ready(function () {
            $("#btnAdd").click(function () {
                var field = $("#field").val();
                 var DDL_fromProfession="<select name='ParametersFromProf' id='DDL_FromProYear'>";
                 for(var i=1950;i<2012;i++)
                 {
                 DDL_fromProfession +="<option text='"+i+"' value='"+i+"'>"+i+"</option>";
                 }
                 DDL_fromProfession +="</select>";
                var DDL_ToProfession="<select name='ParametersToProf'  id='DDL_ToProYear'>";
                for(var i=1950;i<2012;i++)
                 {
                 DDL_ToProfession +="<option text='"+i+"' value='"+i+"'>"+i+"</option>";
                 }
                 DDL_ToProfession +="</select>";
             k+=1;
                var newRow1="<tr><td align='center' style='font-size: large; color: #212121;' height='35px'>from"
                +DDL_fromProfession +" to "+DDL_ToProfession +"</td></tr>"
                +"<tr><td align='center' style='font-size:large;color:#212121;' height'35px'>"
                +"<input type='checkbox' name='chkbx_CurrPro"+k+"' value='Yes'>I currently work here</input>"
                +"<input type='hidden' id='hide' name='hidden' value='"+k+"'></input>";
               // alert(document.getElementByName("valPro").value);
                //alert($('input').attr('hidden'));
                //alert($('input#hide').val());

                var input = "<input name='parameters' id='field' type='text' />";
                var input1="<input name='parametersCompany' id='field' type='text'/>"
                var newRow = "<tr><td align='center' style='font-size: x-large; color: #212121;' height='35px'>" 
                + input + " at " +input1 +"</td></tr>";
                $('#controls').append(newRow);
                $('#controls').append(newRow1);
                var value = parseInt($(":hidden[name='hidden']").val()) + 1;
                alert(value);
            });
        });
    </script>

隐藏场:

   +"<input type='hidden' id='hide' name='hidden' value='"+k+"'></input>";

印刷价值:

 var value = parseInt($(":hidden[name='hidden']").val()) + 1;
                alert(value);

希望你的建议

1 个答案:

答案 0 :(得分:1)

我认为您希望隐藏值(:hidden[name='hidden'])= 2(value中的alert写入内容?

然后你必须在var value = parseInt($(":hidden[name='hidden']").val()) + 1; =&gt;之后写一行$(":hidden[name='hidden']").val(value);

在这种情况下,您的隐藏值为1,因为您可以按alert(parseInt($(":hidden[name='hidden']").val()))

进行测试