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beforeValidate

fires before the control value is validated

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

Parameters:

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

Returns:

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

Example

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

Change log:

added in v7.0