JSFiddle - React, Tailwind, and code Playground

HTML

<li id="person1" data-city="Boston, New York, San Fransisco">
    Person name 1
</li>
<li id="person1" data-city="Los Angeles, New York, Washington">
    Person name 2
</li>

JavaScript

$('li[data-city*="New York"]').css('color','red');