x
<html><title>W3.JS</title><script src="https://www.w3schools.com/lib/w3.js"></script><body><p>Click the button to hide the first p element inside div.</p><button onclick="w3.hide('p:nth-child(even)')">Hide</button><p>The FIRST paragraph.</p><p>The SECOND paragraph.</p><p>The THIRD paragraph.</p><p>The FOURTH paragraph.</p><p>The FIFTH paragraph.</p></body></html>