JSFiddle - React, Tailwind, and code Playground
HTML
<a href="image.jpg?wdks">text</a>
<a href="image.php">text</a>
<a href="image.jpg">text</a>
JavaScript
$('a[href*=".jpg"]').css("color", "#C00");
<a href="image.jpg?wdks">text</a>
<a href="image.php">text</a>
<a href="image.jpg">text</a>
$('a[href*=".jpg"]').css("color", "#C00");