Searched refs:OptionalFeatureUnsupportedError (Results 1 – 1 of 1) sorted by relevance
4550 function OptionalFeatureUnsupportedError(message) class4554 OptionalFeatureUnsupportedError.prototype = Object.create(AssertionError.prototype); class4555 expose(OptionalFeatureUnsupportedError, "OptionalFeatureUnsupportedError");4750 var optional_unsupported = error instanceof OptionalFeatureUnsupportedError;