javascript - How to set value in p tag using jq? -

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i trying search bank name onkeyup , want put result in p tag it's not happening. can me anyone?

this jq : //search bank name

$('input[name^="acc_voucher_bank[]"]').live('keyup',function(){          var acc_voucher_bank=$(this).val();     $(this).closest('tr').find('p.banknameresult').show();             $.post("../accounting_model/cash_receive_daily_date_wise.php",{            acc_voucher_bank:acc_voucher_bank,                  rand:math.random()         },function(data){            $(this).closest('tr').find('p.banknameresult').html(data);     }) })

html code : 

<table width="100%" id="mytable">     <tr class="tr_view">         <td style="width:25%;">bank name</td>         <td style="width:30%;">branch name</td>         <td style="width:15%;">a/c. no</td>         <td style="width:15%;">amount</td>         <td style="width:15%;">action</td>     </tr>      <tr class="bg1" style="text-align:center;">         <td>             <input type="text" style="width:200px;" name="acc_voucher_bank[]" id="" placeholder="bank name" />             <p id="banknameresult" class="banknameresult" name="banknameresult[]" style="position:absolute; margin:0px;"></p>             <input type="hidden" name="bank_id[]" id="" />         </td>          <td>             <input type="text" style="width:270px;" name="acc_voucher_branch[]" id="" placeholder="branch name" />             <p id="bankbranchnameresult" class="bankbranchnameresult" name="bankbranchnameresult[]" style="position:absolute; margin:0px;"></p>             <input type="hidden" name="bank_branch_id[]" id="" />         </td>          <td>             <input type="text" style="width:130px;" name="acc_bank_account_number[]" id="" placeholder="a/c no" />             <p id="bankaccountresult" class="bankaccountresult" name="bankaccountresult[]" style="position:absolute; margin:0px;"></p>             <input type="hidden" name="bank_account_no[]" id="" />         </td>          <td><input type="text" style="width:130px;" name='bank_amount[]' id="" placeholder="amount" /></td>          <td><input type="button" value="+" class="addtr" /></td>     </tr> </table>

that's because this inside $.post callback function jquery xhr object. can assign element want change variable, won't changed inside $.post callback:

$('input[name^="acc_voucher_bank[]"]').live('keyup',function(){          var acc_voucher_bank=$(this).val();     $element = $(this).closest('tr').find('p.banknameresult');     $element.show();         $.post("../accounting_model/cash_receive_daily_date_wise.php",{            acc_voucher_bank:acc_voucher_bank,                  rand:math.random()         },function(data){            $element.html(data);     }) })

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