JSFiddle - React, Tailwind, and code Playground

by kouty79

HTML

<div class="a b">
A B
</div>
<div class="a">
A
</div>
<div class="b">
B
</div>

CSS

.a {
   font-weight: bold;
}

JavaScript

const elements = document.querySelectorAll('.a')
setTimeout(()=>{
	for(let el of elements) {
  	console.log(el.className);
		el.style['font-weight'] = 'normal';
  }
}, 2000);