n class="token keyword">this</span><span class="token punctuation">.</span>items<span class="token punctuation">.</span><span class="token function">pushObject</span><span class="token punctuation">(</span>item<span class="token punctuation">)</span><span class="token punctuation">;</span>
  <span class="token punctuation">}</span>

  <span class="token function">remove</span><span class="token punctuation">(</span><span class="token parameter">item</span><span class="token punctuation">)</span> <span class