uding <code>pos</code>, up to but not including <code>end</code>.</p>
<p>This operation does not modify <code>this</code> Array.</p>
<p>The elements are not copied and retain their identity.</p>
<p>If <code>end</code> is omitted or exceeds <code>this.<a href="#length">length</a></code>, it defaults to the end of
<code>this</code> Array.</p>
<p>If <code>pos</code> or <code>end</code> are negative, their offsets are calculated from the
end of <code>this</code> Array by <code>this.<a href="#length">length</a> 