The value, assignment, including textbox,button,lable,radio,checkbox,selected, of the main control of jquery

Textbox:
var str = $ (' #txt '). Val ();

$ (' #txt '). Val ("Set Lbl Value");

text box, text area:

$ ("#text_id"). attr ("Value", "");/empty content

$ ("#text_id"). attr ("value", ' test ');//fill content

Lable:

var str = $ (' #lbl '). Text ();

$ (' #lbl '). Text ("Set lbl Value");

/* Get the value of the radio button * *

Varvalradio= $ ("input[@type =radio]:checked"). Val ();

/* Get a set of radio items named (items) the value of the selected item * *

Varitem= $ (' input[@name =items]:checked '). Val ();

/* Get check box value * *

var checkboxval= $ ("#checkbox_id"). attr ("value");

/* Get the value of the Drop-down list * *

var selectval= $ (' #select_id '). Val ();

Multi-selection box checkbox:

$ ("#chk_id"). attr ("Checked", "");

Make it not checked

$ ("#chk_id"). attr ("Checked", true);

Check

if ($ ("#chk_id"). attr (' checked ') ==true)

Determine if you have selected

Radio Group Radio:

$ ("input[@type =radio]"). attr ("Checked", ' 2 ');

Set the value=2 item to the current selected item

Dropdown box Select:

$ ("#select_id"). attr ("value", ' Test ');

Set the Value=test item to the current selected item

$ ("<option value= ' test ' >test</option><option value= ' test2 ' >test2</option>"). Appendto ("# select_id ")

Option to add a drop-down box

$ ("#select_id"). empty ();//Empty Drop-down box

Gets the value of a set of radio selected items named (items)

var item= $ (' input[@name =items][@checked] '). Val ()//If not selected, val () = undefined

Gets the text of the Select selected item

var item= $ ("select[@name =items] option[@selected]"). Text ();

The second element of the Select Drop-down box is the currently selected value

$ (' #select_id ') [0].selectedindex= 1;

Radio the second element of a radio group is the currently selected value

$ (' input[@name =items] '). Get (1). checked= true;

Resetting a form

$ ("form"). each (

function () {.

Reset ();

});