JSFiddle - React, Tailwind, and code Playground

by SUNGMIN SHIN

HTML

<div>안녕</div>

JavaScript

try {
  // 왜 에러가 발생할까요?
  $('div').css('font-size').addClass('on');
}catch (e){
	console.log('에러~~~~');
  $('div').css('font-size', 12).addClass('on');
}