title: is this a valid id attributes ? if yes why can't javascript undersatand this
body: <p>Due do some security purpose i want make id for element as <code>OUR_MISSIONIDxcR/+dvmUOfaxP4M2eutUg==</code> for this i have decrypt some string and aapend to id . But in case when i am trying to use this id to perform action , javascript restrict me for doing this.</p>
  
  <pre><code>Uncaught Error: Syntax error, unrecognized expression: #OUR_MISSIONIDxcR/+dvmUOfaxP4M2eutUg==
  </code></pre>
  
  <p>However in jsp pages i have made element like this </p>
  
  <pre><code>&lt;span id="#OUR_MISSIONIDxcR/+dvmUOfaxP4M2eutUg=="&gt; &lt;/span&gt;
  </code></pre>