Tip: you can modify some code before running
Js sets the select value and sets the select current option selected<form name="selectDb" method="post"><select name="SelectName"><option value="0">Tianxin District</option><option value="2">Furong District</option><option value="3">Kaifu District</option><option value="4">Yuhua District</option></select><select name="SelectPrice"><option value="0">2000-5000</option><option value="2">5000-8000</option><option value="3">8000-10000</option><option value="4">10000-13000</option></select><select name="SelectType"><option value="0">Villa</option><option value="2">Product</option><option value="3">Senior management</option><option value="4">Store</option></select><input name="" type="submit" value="提交" /><label><input type="button" name="Submit" value="增加地区" onclick="onclickAdd(5,'长沙',SelectName);" /><input type="button" name="Submit" value="增加价格" onclick="onclickAdd('1000-2000','1000-2000',SelectPrice);" /><input type="button" name="Submit" value="房屋类型" onclick="onclickAdd('经济房','经济房',SelectType);" /></label></form><script language="javascript">Function onclickAdd (id, cityname, obj) {var opt = new Option (cityname, id); obj. options. add (opt); var c = obj. options. length-1; obj. options [c]. selected = true ;}</script>Original site reprinted with www.111cn.net
Tip: you can modify some code before running
