en id=switch-lang-en>English</a>
<a tabindex=-1 role=menuitem lang=zh id=switch-lang-zh class=active>中文</a><div role=separator></div><a tabindex=-1 role=menuitem class=active id=light-theme-item>亮主题</a>
<a tabindex=-1 role=menuitem id=dark-theme-item>暗主题</a><div role=separator></div><a tabindex=-1 role=menuitem id=syntax-coloring-item>代码高亮</a><div role=separator></div><h6>本站的其它版本</h6><a tabindex=-1 role=menuitem onclick="navigateToUrlOrRoot('https://istio.io/docs\/tasks