已测试好用。
<!doctype html> <html> <head> <meta set="utf-8"> <title>可输入的下拉框</title> </head> <body> <div style="position:relative;"> <span style="margin-left:100px;width:18px;overflow:hidden;"> <select style="width:118px;margin-left:-100px;height: 21px;" onchange="this.parentNode.nextSibling.value=this.value"> <option value="souzz"> souzz </option> <option value="eWebSoft"> eWebSoft </option> <option value="WEB开发者"> WEB开发者 </option> </select></span><input name="box" style="width:100px;position:absolute;left:0px;top:2px"> </div> </body> </html>