
              <img src="../content/img/github.png" class="normal" />
              <img src="../content/img/github-blue.png" class="hover" />
            </a>
          <p>Determines if the response is in the range of 4XX status codes.</p>


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          <code onmouseout="hideTip(event, '91', 91)" onmouseover="showTip(event, '91', 91)">
            isStatus5XX(r)
          </code>
          <div class="tip" id="91">
            <strong>Sign