javascript - Unhide and hide contents within the div using jquery -


hello after searching of answers on stackoverflow hiding , unhiding stuffs within div don't proper answer because of them depends on form.my scenario have textarea want tapped , person start typing div expands , show buttons post or cancel button, example google+ "share what's new" home screen.

 <head>     <meta http-equiv="content-type" content="text/html; charset=utf-8">     <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.js" type="text/javascript"></script>     <script type="text/javascript">          $(function(){             $('textarea').click(function(){                 $('button').show().removeattr('disabled');                 $('.second').show();                               });         });     </script>  </head> <body>     <form>     <div>         <textarea></textarea>         <br>         <div class="second" style="display: none" disabled>         <label>where:</label><button>place1</button> or <button>place2</button><br>         <label>tags:</label><button>good service</button>         <button>minor</button>         <button>major</button>          </div>         <button id="cancel" style="display: none" disabled>cancel</button>         <button id="cancel" style="display: none" disabled>post</button>    </div>     </form>

are looking this?

all have is, handle keypress events , check length of values in textbox show or hide controls.

            <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>              <head>                  <meta http-equiv="content-type" content="text/html; charset=utf-8">                  <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.js" type="text/javascript"></script>                  <script type="text/javascript">                       $(function(){                          $('textarea').on('keypress keydown keyup', function(){                            if ($(this).val().length >0)                              {                                 $('button').show().removeattr('disabled');                                 $('.second').show();                                      }                            else                                              {                                $('button').hide().prop('disabled', true);                                 $('.second').hide();                                 }                          });                                                $('#cancel').on('click', function(){                                               $('textarea').val('').trigger('keypress');                          });                      });                  </script>                </head>              <body>                  <form>                  <div>                      <textarea></textarea>                      <br>                      <div class="second" style="display: none" disabled>                      <label>where:</label><button>place1</button> or <button>place2</button><br>                      <label>tags:</label><button>good service</button>                      <button>minor</button>                      <button>major</button>                        </div>                      <button id="cancel" style="display: none" disabled>cancel</button>                      <button id="post" style="display: none" disabled>post</button>                 </div>                  </form>


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