PaymentRequestEvent.topOrigin

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这是实验性技术
检查浏览器兼容性表格要小心谨慎在生产中使用这之前。

topOrigin 只读特性在 PaymentRequestEvent interface returns the top level payee origin where the PaymentRequest object was initialized.

var aUsvString = paymentRequestEvent.topOrigin

A USVString

规范	状态	注释
Payment Handler API The definition of 'topOrigin' in that specification.	工作草案	初始定义。

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`topOrigin`	Chrome 68 Disabled 68 Disabled Disabled From version 68: this feature is behind the `#service-worker-payment-apps` preference (needs to be set to `启用` ). To change preferences in Chrome, visit chrome://flags. 不支持 61 — 67 Alternate Name Alternate Name Uses the non-standard name: `topLevelOrigin`	Edge ≤79 Disabled ≤79 Disabled Disabled From version ≤79: this feature is behind the `#service-worker-payment-apps` preference (needs to be set to `启用` ).	Firefox No	IE ?	Opera No	Safari ?	WebView Android No	Chrome Android 68 Disabled 68 Disabled Disabled From version 68: this feature is behind the `#service-worker-payment-apps` preference (needs to be set to `启用` ). To change preferences in Chrome, visit chrome://flags. 不支持 61 — 67 Alternate Name Alternate Name Uses the non-standard name: `topLevelOrigin`	Firefox Android No	Opera Android No	Safari iOS ?	Samsung Internet Android No