<html><head><script type="text/javascript">function maxLen() { var txt="Size=" + document.getElementById("name").size var txt=txt + " and Max length=" + document.getElementById("name").maxLength alert(txt) }</script></head><body><form>Name: <input type="text" id="name" value="Mickey Mouse" size="20" maxlength="30" /><br /><br /><input type="button" onclick="maxLen()" value="Alert size and maxLength" /></form></body></html>