JSFiddle - React, Tailwind, and code Playground

HTML

<div id="1">
    <a href="#" class="byline">See more . . .</a>
    <div class="toggle-content">
        <ul class="crp-list">
            <li>One</li>
            <li>Two</li>
        </ul>
    </div>
</div>

<div id="2">
    <a href="#" class="byline">See more . . .</a>
    <div class="toggle-content">
        <ul class="crp-list">
            <li>Three</li>
            <li>Four</li>
        </ul>
    </div>
</div>

JavaScript

// expanding, collapsing div script
$(document).ready(function() {
	$(".toggle-content").slideUp();
	$(".byline").click(function() {
		var $next = $(this).next(".toggle-content");
		$(".toggle-content").not($next).slideUp();
		$next.slideToggle(500); 
	});
});