markInvalid

marks a form control invalid

name	string	value of "name" parameter of the desired input
state	boolean| string	removes invalid mark; sets invalidMessage

Example

$$("myform").markInvalid("login", "Login must not be empty");

"State" parameter is optional. It may define:

• (boolean) - whether to apply invalid marking or remove it (if false). True by default;
• (string) - text of invalidMessage parameter of the input. If such parameter already exists, this method will redefine it.

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