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rules( )
Return the validations rules for the first selected element.
There are several ways to specify validation rules.
- Validation methods without parameters can be specified as classes on the element (recommended)
- Validation methods with parameters can be specified as attributes (recommended)
- Both can be specified as metadata using the metadata plugin
- Both can be specified using the rules-option of the validate()-method
rules( "add", rules )
Adds the specified rules and returns all rules for the first matched element. Requires that the parent form is validated, that is, $("form").validate() is called first.
The rules can also contain a messages-object, specifying custom messages for existing or added rules.
Arguments:| "add" | String | |
|---|
|
| rules | Options | |
|---|
| The rules to add. Accepts the same format as the rules-option of the validate-method. |
Examples:| Name | Type |
|---|
Adds minlength: 2 to an element which is already required.
$("#myinput").rules("add", {
minlength: 2
});
Adds required and minlength: 2 to an element and specifies custom messages for both.
$("#myinput").rules("add", {
required: true,
minlength: 2,
messages: {
required: "Required input",
minlength: jQuery.format("Please, at least {0} characters are necessary")
}
});
rules( "remove", [rules] )
Removes the specified rules and returns all rules for the first matched element.
Arguments:| "remove" | String | |
|---|
|
| rules (Optional) | Options | |
|---|
| The space-seperated names of rules to remove and return. If left unspecified, removes and return all rules. Manipulates only rules specified via rules-option or via rules("add"). |
Examples:| Name | Type |
|---|
Removes all static rules from an element.
$("#myinput").rules("remove");
Removes min and max rules from an element.
$("#myinput").rules("remove", "min max");
