<!-- div[lang~="en-us"] -->
<template>
  <div lang="en-us en-gb en-au en-nz">Hello World!</div>
  <div lang="en-us">Hello World!</div>
  <div lang="en-us-unknown">Unknown</div>
  <div lang="pt">Olá Mundo!</div>
  <div lang="zh">世界您好！</div>
  <div lang="zh-CN">世界您好！</div>
  <div lang="zh-TW">世界您好！</div>
  <div data-lang="zh-TW">世界您好！</div>
</template>
