<!doctype html> <html> <head> <!-- Estilos CSS --> <style type="text/css"> ul { list-style-type:none; } </style> <script type="text/javascript"> function CambiarTipoLista() { var Combo = document.getElementById("TipoLista"); document.getElementsByTagName("ul").item(0).style.listStyleType = Combo.options[Combo.selectedIndex].innerHTML; } </script> </head> <body> <p>Prueba los distintos tipos de lista :</p> <select id='TipoLista' onChange="CambiarTipoLista()"> <option value ="0">armenian</option> <option value ="1">circle</option> <option value ="2">cjk-ideographic</option> <option value ="3">decimal</option> <option value ="4">decimal-leading-zero</option> <option value ="5">disc</option> <option value ="6">georgian</option> <option value ="7">hebrew</option> <option value ="8">hiragana</option> <option value ="9">hiragana-iroha</option> <option value ="10">katakana</option> <option value ="11">katakana-iroha</option> <option value ="12">lower-alpha</option> <option value ="13">lower-greek</option> <option value ="14">lower-latin</option> <option value ="15">lower-roman</option> <option value ="16" selected="selected">none</option> <option value ="17">square</option> <option value ="18">upper-alpha</option> <option value ="19">upper-latin</option> <option value ="20">upper-roman</option> </select> <ul> <li>Item lista 1</li> <li>Item lista 2</li> <li>Item lista 3</li> <li>Item lista 4</li> <li>Item lista 5</li> </ul> </body> </html> Actualización en 5sEsc para cancelar Alt+A para actualizar