JSFiddle - React, Tailwind, and code Playground

HTML

<div class="jobs-article-holder-content-page">
            <div class="jobs-article-holder-content-whole">
                <div class="jobs-article-holder-content-whole-box">
                    <h3>$MenuTitle.RAW</h3>
                    <div class="job-article-holder-click-for-more-link">
                        &#x25B2;
                    </div>
                </div>
                <div class="jobs-article-holder-content-whole-teaser show">
                    <p class="jobs-article-holder-content-whole-teaser-content">$Teaser</p>
                </div>
            </div>
        </div>

        <div class="jobs-article-holder-content-page">
            <div class="jobs-article-holder-content-whole">
                <div class="jobs-article-holder-content-whole-box">
                    <h3>$MenuTitle.RAW</h3>
                    <div class="job-article-holder-click-for-more-link">
                        &#x25B2;
                    </div>
                </div>
                <div class="jobs-article-holder-content-whole-teaser show">
                    <p class="jobs-article-holder-content-whole-teaser-content">$Teaser</p>
                </div>
            </div>
        </div>

        <div class="jobs-article-holder-content-page">
            <div class="jobs-article-holder-content-whole">
                <div class="jobs-article-holder-content-whole-box">
                    <h3>$MenuTitle.RAW</h3>
                    <div class="job-article-holder-click-for-more-link">
                        &#x25B2;
                    </div>
                </div>
                <div class="jobs-article-holder-content-whole-teaser show">
                    <p class="jobs-article-holder-content-whole-teaser-content">$Teaser</p>
                </div>
            </div>
        </div>
        <div class="jobs-article-holder-content-page">
            <div class="jobs-article-holder-content-whole">
                <div...

CSS

.jobs-article-holder-content-whole-teaser.hide {
    display: none;
}

.jobs-article-holder-content-whole-teaser.show {
    display: block;
}

JavaScript

$(function () {
        $('body').on('click', '.job-article-holder-click-for-more-link', function () {
            $(this).closest('.jobs-article-holder-content-whole')
                .find('.jobs-article-holder-content-whole-teaser')
                    .toggleClass('show hide');
        });
    });