Příklad ukazuije, jak lze změnit obsah HTML značky (objektu).
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<meta name="generator" content="PSPad editor, www.pspad.com">
<title> </title>
<script>
function i(text){
document.getElementById("popis").innerHTML=text;
}
</script>
</head>
<body>
<input type="button" value="zapiš" onClick="i('dobrý den');">
<span id="popis">
</span>
</body>
</html>
