Common form element controls for jquery

Determines whether radio is selected and gets the selected value

One:

Both:

functionvar item = $ (": radio:checked"var len=if(len> 0) {   alert ("yes--selected value is:" +$ (": radio:checked"). Val ());}}  

jquery Radio value, checkbox value, select Value, Radio selected, CheckBox selected, select selected, and its related

Gets the value of a set of radio selected items

var item = $ (' input[name=items][checked] '). Val ();

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

true;

Get Value:

text box, text area:

$ ("#txt"). attr ("value");   

Multiple marquee checkbox:

$ ("#checkbox_id"). attr ("value");
$ ("#chk1"). attr ("Checked", "'); //

$ ("#chk2"). attr ("Checked",true);  //

if ($ ("#chk1"). attr (' checked ') ==undefined) //   

Radio Group Radio:

$ ("input[type=radio][checked]"). Val ();
$ ("Input[type=radio]"). attr ("Checked", ' 2 '); //   

Drop-down box select:

Control form elements:

text box, text area:

$ ("#txt"). attr ("Value", "'); // Clear Content    $ ("#txt"). attr ("value", ' 11 '); // Populating content  

Drop-down box select:

$ ("#sel"). attr ("value", '-sel3 '); // set the VALUE=-SEL3 item as the currently selected   item $ ("<option value= ' 1 ' >1111</option><option value= ' 2 ' >2222</option>"). AppendTo ( "#sel")// Add the option   $ ("#sel") to the drop-down box. empty ();//

Common form element controls for jquery