1. Selector
(1) wildcard characters:
$ ("input[id^= ' Code ')"); // id Attribute all input tags starting with code $ ("input[id$= ' Code ')"); // id attribute all input tags ending with code $ ("input[id*= ' Code ')"); // The id attribute contains all the input tags of code
(2) Select by index
// Select all TR labels indexed to even $ (// Select all TR labels with an odd index
(3) Get the number of input of Jqueryobj next level node
Jqueryobj.children ("input"). Length;
(4) Get all <a> tags under sub-nodes of the tag class main
$ (". Main > a");
(5) Select next to label
Jqueryobj.next ("div"); // gets the jqueryobj tag immediately after the next div,nextall gets all
2. Filters
$ ("#code input:not ([id^= ' Code '])"); // ID is a code tag that does not contain all input tags with id starting with code
3. Events
// working with keyboard actions on a text box jqueryobj.keyup (function(event) {var keycode = Event.which; Gets the key value of the currently pressed keyboard, enter
4. Tool functions
$ (' #someField '). Val ($.trim ($ (' #someField '). Val ())); //
Original text reproduced in http://www.cnblogs.com/puzi0315/archive/2013/08/26/3282112.html
jquery selector, wildcard [id^= ' Code ']input[id$= ' code '][id*= ' code ']