Deprecated: This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
Non-standard: This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
merchantValidationEvent = new MerchantValidationEvent(type, options);
DOMStringwhich must be
merchantvalidation, the only type of event which uses the
An optional dictionary which may contain zero or more of the following properties:
DOMStringcontaining the payment method identifier for the payment handler being used. This is an empty string by default.
The URL from which to retrieve payment handler specific verification information used to validate the merchant. This is an empty string by default.
The string specified as
validationURLcould not be parsed as a URL.
methodNamedoes not correspond to a known and supported merchant or is not a well-formed standard payment method identifier.
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