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
$ (' input[@name =items] '). Get (1). checked = true;
Get Value:
text box, text area: $ ("#txt"). attr ("value");
Multiple-selection box checkbox:$ ("#checkbox_id"). attr ("value");
Radio Group Radio: $ ("input[@type =radio][@checked]"). Val ();
Dropdown box Select: $ (' #sel '). Val ();
Control form elements:
text box, text area: $ ("#txt"). attr ("value");/empty content
$ ("#txt"). attr ("value", ' 11′ ');/fill Content
Multi-Marquee checkbox: $ ("#chk1 ″). attr (" checked ");/no tick.
$ ("#chk2 ″). attr (" Checked ", true);/tick