x
<html><title>W3.JS</title><meta charset="utf-8"><script src="https://www.w3schools.com/lib/w3.js"></script><body><h2>Testing W3.JS in HTML</h2><h2>Sort List</h2><p>Click the button to sort the list.</p><p><button onclick="w3.sortHTML('#id01', 'li')">Sort</button></p><ul id="id01"> <li>Oslo</li> <li>Stockholm</li> <li>Helsinki</li> <li>Berlin</li> <li>Rome</li> <li>Madrid</li></ul></body></html>