Instructions/Rules Inside Text Area

2 comments

1. Add some custom javascript to the admin area, using wp_enqueue_script().

   $(document).ready(function() {
       $('#input-id').attr('placeholder', 'Did you try Google first?');
   });
   

   The placeholder attribute does not work in Internet Explorer yet. You could fall back on a jQuery placeholder plugin if needed.

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2. You can use Qtip to write your how to…”, simple rules to post…”
   and it will show on hover for each element

   $("jqueryselector").qtip({
      content: 'I'm at the top right of my target',
      position: {
         corner: {
            target: 'topRight',
            tooltip: 'bottomLeft'
         }
      }
   })
   

   Update:

   even simpler you can use “Jquery Form Field Default Value plugin“

   Demo

   Usage:

   $("#myfield").DefaultValue("My Default Value..");
   

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