Introducing the use of wildcards in jQuery selectors

This article mainly introduces the wildcard in the selector of jQuery. Friends who need it can refer to

1. Selector
(1 ) Wildcard:

Copy code The code is as follows:

$("input[id^='code']");//id All input tags whose attributes start with code
$("input[id$='code']");//All input tags whose id attribute ends with code
$("input [id*='code']"); //All input tags whose id attribute contains code

(2) Select ## based on index

#Copy code The code is as follows:

$("tbody tr:even"); //Select all tr ​​tags with even numbers
$(" tbody tr:odd"); //Select all tr ​​tags with odd indexes

(3) Get the number of inputs of the next-level node of jqueryObj

Copy code The code is as follows:

jqueryObj.children("input").length;

(4) Obtain class as All tags under the child nodes of the main tag

Event

The code is as follows:

jqueryObj.keyup(function(event){
var keyCode = event.which;//Get the current pressed The key value of the keyboard, the Enter key is 13
}

Function

The code is as follows:

The above is the detailed content of Introducing the use of wildcards in jQuery selectors. For more information, please follow other related articles on the PHP Chinese website!