nu__link menu__link--sublist menu__link--sublist-caret menu__link--active" aria-expanded="true" href="/awesome-interview/book1/browser-cross-origin">模拟题一</a></div><ul style="display:block;overflow:visible;height:auto" class="menu__list"><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-2 menu__list-item"><a class="menu__link" tabindex="0" href="/awesome-interview/book1/browser-cross-origin">浏览器：浏览器跨域</a></li><li class="theme-doc-sidebar-item-link theme-doc-si