blockly > Field > doValueInvalid_
Field.doValueInvalid_() method
Used to notify the field an invalid value was input. Can be overridden by subclasses, see FieldTextInput. No-op by default.
Signature:
protected doValueInvalid_(_invalidValue: any, _fireChangeEvent?: boolean): void;
Parameters
| Parameter |
Type |
Description |
| _invalidValue |
any |
The input value that was determined to be invalid. |
| _fireChangeEvent |
boolean |
(Optional) Whether to fire a change event if the value changes. |
Returns:
void
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2024-09-18 UTC.
[null,null,["Last updated 2024-09-18 UTC."],[[["`Field.doValueInvalid_()` is a method called when a field receives an invalid input value."],["It can be overridden by subclasses to define custom behavior for handling invalid input, while the default behavior is to do nothing."],["The method receives the invalid value and an optional flag to indicate whether a change event should be fired."]]],[]]
