JSFiddle - React, Tailwind, and code Playground

HTML

<div id="test">
    <script src="testing.js"></script>
    <script src="testing2.js"></script>
    <script src="Servlet?testing3.js"></script>
</div>

JavaScript

var scripts = document.querySelectorAll('#test script[src]');

for (var i = 0; i < scripts.length; i++) {
    var src = scripts[i].getAttribute('src');

    if (/\.js$/.test(src) && src.indexOf('?') === -1) {
        alert(src);
    }
}