JQuery Validation Library (Document! X Sample)
jQuery Namespace / validator type / addMethod Method
The name of the method, used to identify and referencing it, must be a valid javascript identifier
The actual method implementation, returning true if an element is valid. First argument: Current value. Second argument: Validated element. Third argument: Parameters.
The default message to display for this method. Can be a function created by jQuery.validator.format(value). When undefined, an already existing message is used (handy for localization), otherwise the field-specific messages have to be defined.
In This Topic
    addMethod Method
    In This Topic
    Add a custom validation method. It must consist of a name (must be a legal javascript identifier), a javascript based function and a default string message.
    Syntax
    // Parameters
    var name; // Type:  String
    var method; // Type:  any
    var message; // Type:  String
    
    jQuery.validator.addMethod(name, method, message);
    function addMethod( 
       name : String,
       method : any,
       message : String
    ) : Void;

    Parameters

    name
    The name of the method, used to identify and referencing it, must be a valid javascript identifier
    method
    The actual method implementation, returning true if an element is valid. First argument: Current value. Second argument: Validated element. Third argument: Parameters.
    message
    The default message to display for this method. Can be a function created by jQuery.validator.format(value). When undefined, an already existing message is used (handy for localization), otherwise the field-specific messages have to be defined.
    Browser Compatibility
    8
    5
    5
    See Also