<html xmlns="http://www.w3.org/1999/xhtml"> <!-- Use an unload handler to prevent bfcache from messing with us --> <body onunload="parent.childUnloaded = true;"> <select id="select"> <option>aaa</option> <option>bbbb</option> </select> <textarea id="textarea"> </textarea> <input type="text" id="text" /> <input type="password" id="password" /> <input type="checkbox" id="checkbox" /> <input type="radio" id="radio" /> <input type="image" id="image" /> <input type="submit" id="submit" /> <input type="reset" id="reset" /> <input type="button" id="button input" /> <input type="hidden" id="hidden" /> <input type="file" id="file" /> <button type="submit" id="submit button"></button> <button type="reset" id="reset button"></button> <button type="button" id="button"></button> </body> </html>