jquery action method for the text and value values of the Select drop-down box

1. jquery Gets the text value of the currently selected select

var checktext=$ ("#slc1"). Find ("option:selected"). Text ();

2. jquery Gets the value of the currently selected select

var checkvalue=$ ("#slc1"). Val ();

3. jquery Gets the index value of the currently selected select

var index=$ ("#slc1"). Get (0). SelectedIndex;

4. jquery sets the item with the index value of 1 as the currently selected item

$ ("#slc1"). Get (0). selectedindex=1;

5. jquery Set value 2 is the currently selected item

$ ("#slc1"). Val (2);

6. jquery set the text value to "Ivy Garden" as the current selected item

$ ("#slc1 option[text= ' green garden w ']"). attr ("selected", true);

7. Append an option to the specified Select drop-down box (append to the end)

$ ("#slc2"). Append ("+i+");

8. Insert an option (insert to first position) for the Select drop-down box

$ ("#slc2"). Prepend ("Please select");

9. jquery Delete the last option of the Select drop-down box

$ ("#slc2 option:last"). Remove ();

Select Change value with OnChange method

<SelectID= "SELECTW"onchange= "Magchange ()">                       <optionvalue= "2"></option>                       <optionvalue= "1">Weibo</option>                   </Select>

Gets the value of the current selection when selected

function Magchange () {        var checkvalue=$ ("#selectw"). Val ();         return CheckValue;}

jquery action method for the text and value values of the Select drop-down box