JS dynamic add option and delete option

1. Dynamic creation of SELECT

function Createselect () {     var myselect = document.createelement ("select");     Myselect.id = "Myselect";     

2. Add Options option

function AddOption () {     //Find object by ID,     var obj=document.getelementbyid (' Myselect ');     Add an option     obj.add (new option ("Text", "value"));//This only works in IE     

3. Remove all options option

function RemoveAll () {     var Obj=document.getelementbyid (' Myselect ');     

4. Delete an option

function Removeone () {     var Obj=document.getelementbyid (' Myselect ');     Index, to delete the ordinal of the option, take the current selected option of the Ordinal     var index=obj.selectedindex;     

5. Get the value of option options

6. Get the text of options option

7. Modify Options option

8. Delete Select

function Removeselect () {     var myselect = document.getElementById ("Myselect");     

　　

JS dynamic add option and delete option