JSFiddle - React, Tailwind, and code Playground

HTML

<div id="txt">
    測試用的文字唷
    <div>這也測試用的文字唷</div>
</div>

<script type="text/javascript">
    document.getElementById("txt").innerHTML = "糟糕，測試用的文字統統不見了！";    

</script>