Jquery operation check box checkbox method aggregation _ jquery

This article describes how to use the checkbox check box for jquery operations. Examples of common operations that jQuery uses to determine and assign values to checkbox are summarized, for more information about how to use the checkbox check box for jquery operations, see the examples in this article. Share it with you for your reference. The specific analysis is as follows:

Jquery has three methods to determine checked:

The code is as follows:

$ ("Input"). attr ("checked"); // version 1.6 + returns: "checked" or "undefined", 1.5-return: true or false
$ ("Input"). prop ("checked"); // 16 +: true/false
$ ("Input"). is (": checked"); // All versions: true/false

Several methods of jquery value assignment checked:

All jquery versions can be assigned the following values:

The code is as follows:

$ ("Input"). attr ("checked", "checked ");
$ ("Input"). attr ("checked", true );

Four values of jquery1.6 +: prop:

The code is as follows:

$ ("Input"). prop ("checked", true );
$ ("Input"). prop ({checked: true}); // map key-value pair
$ ("Input"). prop ("checked", function (){
Return true; // the function returns true or false.
});
$ ("Input"). prop ("checked", "checked ");

I hope this article will help you with jQuery programming.