html - CSS style for NOT nested item -

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i'm using css/sass style validity message. message not nested within i'm accessing.

for example javascript adds error class input box if it's not valid. want block visible attributes change further down page.

// when no error input#user_tags_attributes_0_tagname // div.tagname-available { display: block; } // not nested // , div.tagname-unavailable { display: none; } // not nested  // when error input#user_tags_attributes_0_tagname.error // div.tagname-available { display: none; } // not nested // , div.tagname-unavailable { display: block; } // not nested

in theory should able access elements without having write javascript perform this. possibly if css has root document variable javascript's $(document) do.

input#user_tags_attributes_0_tagname {   $(document) > div.tagname-available { display: block; } // not nested   $(document) > div.tagname-unavailable { display: none; } // not nested }

and html

<table>   <tr>     <td width="200px">       <span class="pull-right vf-labels">choose tag id</span>     </td>     <td>       <input class="error" data-validate="/users/checktagname" id="user_tags_attributes_0_tagname" name="user[tags_attributes][0][tagname]" type="text">     </td>   </tr>   <tr>     <td>     </td>     <td>       <span class="text-primary" style="font-size: small;">check availability</span><br />       <div class="tagname-available">         <span class="glyphicon glyphicon-ok text-success" style="margin-left:-20px;margin-right:4px;"></span>         <span class="text-success" style="font-size: small;">available</span>       </div>       <div class="tagname-unavailable">         <span class="glyphicon glyphicon-remove text-danger" style="margin-left:-20px;margin-right:4px;"></span>         <span class="text-danger" style="font-size: small;">not available</span>       </div>     </td>   </tr> </table>

possibly use :root selector css?

you should able sibling selector.

// when no error   input#user_tags_attributes_0_tagname + .tagname-available { display: block; } input#user_tags_attributes_0_tagname + .tagname-unavailable { display: none; }  // when error   input#user_tags_attributes_0_tagname.error + .tagname-available { display: none; } input#user_tags_attributes_0_tagname.error + .tagname-unavailable { display: block; }

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