beforeValidate

fires before the control value is validated

beforeValidate: (value: string | Date) => boolean | void;

Parameters:

• value: string | Date - the value to be validated

Returns:

Return false to cancel the default action of the event; otherwise - true.

Example

form.getItem("datepicker").events.on("beforeValidate", function(value) {
    console.log("beforeValidate", value);
    return true;
});

Change log:

added in v7.0