JSFiddle - React, Tailwind, and code Playground

HTML

<h1 class="title">Make me green</h1>
<p class="para">Make me red</p>
<p class="para">Me red too</p>
<p class="para">Also me</p>

JavaScript

var ntjq_h1=document.querySelector(".title");
var ntjq_p=document.querySelectorAll(".para")
console.log(ntjq_h1.textContent)
ntjq_h1.style.color="green";
for(var p of ntjq_p){
	console.log(p.textContent)
	p.style.color="red";
}