[Solved] copying an input from a text box to another [closed]

by 


    $(document).ready(function(){
        $('#checkbox').click(function(){
           if($(this).is(':checked')){
               $('textarea#caddress').val($('textarea#paddress').val());
           }else{
               $('textarea#caddress').val('');
           }

        });

    });
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<td><label for="address" style="text-align: left;">Permanent Address:<sup style="color: red;">*</sup> </label></td>
  <td><textarea cols="20" id="paddress" name="address1" rows="4"></textarea><i id="pointadrs" style="color: red;"></i>   
  </td>
  <p><input type="checkbox" name="checkbox" id="checkbox" class="checkbox">use same as my permenant address </p>
     <tr>
  <td><label for="address" style="text-align: left;">Current Address:<sup style="color: red;">*</sup> </label></td>
  <td><textarea cols="20" id="caddress" name="address2" rows="4"></textarea><i id="pointadrs2" style="color: red;"></i>   
  </td>

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solved copying an input from a text box to another [closed]