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blockly > FieldAngle > (constructor)

FieldAngle.(constructor)

Constructs a new instance of the FieldAngle class

Signature:

constructor(opt_value?: string | number | Sentinel, opt_validator?: Function, opt_config?: FieldAngleConfig);

Parameters

Parameter Type Description
opt_value string | number | Sentinel (Optional) The initial value of the field. Should cast to a number. Defaults to 0. Also accepts Field.SKIP_SETUP if you wish to skip setup (only used by subclasses that want to handle configuration and setting the field value after their own constructors have run).
opt_validator Function (Optional) A function that is called to validate changes to the field's value. Takes in a number & returns a validated number, or null to abort the change.
opt_config FieldAngleConfig (Optional) A map of options used to configure the field. See the [field creation documentation]https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/angle#creation for a list of properties this parameter supports.