JSFiddle - React, Tailwind, and code Playground

HTML

<p class='info' data-info='1'>Info 1 <span class='status'></span>
</p>
<p class='info' data-info='2'>Info 2 <span class='status'></span>
</p>
<p class='info' data-info='3'>Info 3 <span class='status'></span>
</p>

JavaScript

var infoSpecialArray = [2, 3, 4, 5];
$("p.info").each(function () {
    if ($.inArray(parseInt($(this).data('info'), 10), infoSpecialArray) != -1) {
        $(this).find('span.status').html('special')
    }
});