, the result is false.
If <code>f1</code> or <code>f2</code> are not functions, the result is unspecified.</p>
<p>Otherwise the result is true if <code>f1</code> and the <code>f2</code> are physically equal,
false otherwise.</p>
<p>If <code>f1</code> or <code>f2</code> are member method closures, the result is true if they
are closures of the same method on the same object value, false otherwise.</p></div></div><div class="field "><a name="copy"></a><h3><p><code><span class="label">static</span><a href="#co