JSFiddle - React, Tailwind, and code Playground
HTML
<div class="someParentDiv">
<span>this is the text I want
<span class="childSpanClass">I don't want this text</span>
</span>
</div>
<script>
//this will work, bit I think it's a little backwards
//$('div.someParentDiv span').remove('.childSpanClass').css('color','#FF0000')
</script>