Here you can find the source of isHTMLSelectMultiple(Node node)
public static boolean isHTMLSelectMultiple(Node node)
//package com.java2s; /*//w w w.j ava 2 s . c o m ItsNat Java Web Application Framework Copyright (C) 2007-2011 Jose Maria Arranz Santamaria, Spanish citizen This software is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ import org.w3c.dom.Element; import org.w3c.dom.Node; import org.w3c.dom.html.HTMLSelectElement; public class Main { public static boolean isHTMLSelectMultiple(Node node) { if (!(node instanceof HTMLSelectElement)) return false; Element elem = (Element) node; return elem.hasAttribute("multiple"); } }