JQuery Validation Library (Document! X Sample)
onkeyup Option
Validate elements on keyup. As long as the field is not marked as invalid, nothing happens. Otherwise, all rules are checked on each key up event.
Syntax
var options; // Type:  jQuery.validator.options
var instance; // Type:  jQuery.validator
instance = $(".selector").validate(options);

var value; // Type:  boolean

// Get value
value = instance.onkeyup;
// Set value
instance.onkeyup = value;
var onkeyup : boolean;
Browser Compatibility
8
5
5
See Also