JSFiddle - React, Tailwind, and code Playground
HTML
<div id="course1">
<div class="engineering">engineering</div>
<div class="mba">mba</div>
<div class="information technology">information technology</div>
<div class="finance">finance</div>
<div class="others">others</div>
</div>
<br />
<br />
<br />
<div id="course2">
<div class="engineering">engineering</div>
<div class="mba">mba</div>
<div class="information technology">information technology</div>
<div class="finance">finance</div>
<div class="others">others</div>
</div>
JavaScript
$(document).ready(function(){
$("#course1 .management, #course .mba, #course .finance").hide();
$("#course2 > .management, .mba, .finance").hide();
});