Javascript创建select 以及获取select的值、文本；获取radio,check的值

1//创建一个select标签
2	                      var s = document.createElement("select") ;
3				var d = [{t:'one',v:'1'},{t:'two',v:'2'}] ;
4				for(var i in d){					
5					 var option = new Option(d[i].t,d[i].v);					
6					 s.options.add(option);
7				}				
8				document.body.appendChild(s);
9
10//获取标签的文本
11
12function show()
13{
14	var myselect = document.getElementById("select");
15	alert(myselect.selectedIndex);
16	alert(myselect.options[myselect.selectedIndex].text);
17}
18
19function show2(){
20	var myselect = document.getElementById("select");
21	for(var i=0;i<myselect.length ;i++){
22		if(myselect[i].selected == true){
23			alert(myselect[i].innerHTML);
24		}
25	}
26}
27
28//获取select的值
29function getSelectedValue(name){
30         var obj=document.getElementById(name);
31         return obj.value; 
32}
33
34
35//获取radio的选中的值
36function getRadioValue(name){
37var radioes = document.getElementsByName(name);
38for(var i=0;i<radioes.length;i++)
39{
40if(radioes[i].checked){
41return radioes[i].value;
42}
43}
44return false;
45}