perty&#39;s value is not 1 (for LTR), -1 (for RTL), or 0 (for neutral).</p>
<dl><dt class="spec">Parameters</dt><dd><dl><dt class="named">value<code>*</code><dd><p>The value whose contentDir property, if any, is to
be returned.</p>
</dl></dd><dt class="spec">Returns</dt><dd><dl><dt><code>?<a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number">number</a></code><dd><p>The contentDir property.</p>
</dl></dd></dl></section><section class="property" id="markUnsanitizedT