JSFiddle - React, Tailwind, and code Playground
by cordeliaf
HTML
<article>
<header>
<h2>Top ten reasons to take a course!</h2>
<span class="author">JK</span>
<class="date">March 20th</span>
</header>
<ol id="reasons">
<li>It's fun</li>
<li>Learn a lot</li>
<li>Advance carrer</li>
</ol>
</article>
JavaScript
var topList = document.getElementById("reasons");
var reasons = topList.getElementsByName("li");
//for(var i = 0; i< reasons.length; i++){
// alert(reasons[i].textContent);
//}
for (var el = topList.firstElementChild; el; el=el.nextElementSibling)
// alert(el.textContent);
if(el.classList.contains("best")) {
alert("The best reason to take a course is "+ el.textContent");}
}