<!DOCTYPE html> <html> <head> <title>element set remove attribute</title> <link rel="stylesheet" type="text/css" href="tst.css"> </head> <body> <h1>HTMLElement test of attribute set/remove</h1> <noscript><p>Javascript is disabled</p></noscript> <script> var e = document.createElement("Div"); var t = document.createTextNode("Some text in a div."); e.appendChild(t); e.setAttribute("id", "test"); document.body.appendChild(e); </script> <script> var test = document.getElementById("test"); document.write("<p>The div has id: ''", test.id, "''.</p>"); document.write("<p>Removing ID attribute..."); test.removeAttribute("ID"); document.write("<p>The div has id: ''", test.id, "''.</p>"); </script> </body> </html>