JSFiddle - React, Tailwind, and code Playground

HTML

<div class='container container1'>
    <div class='content'>
        <h1><a href='#'>Title</a></h1>
        <p>Content</p>
    </div>
</div>
<div class='container container2'>
    <div class='content'>
                <h1><a href='#'>Title</a></h1>
        <p>Content</p>
    </div>
</div>
<div class='container container3'>
    <div class='content'>
                <h1><a href='#'>Title</a></h1>
        <p>Content</p>
    </div>
</div>

JavaScript

var $container = $('.container').click(function(){
    $container.not(this).hide();
});