PaymentMethodChangeEvent.methodName

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句法
范例
规范
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安全上下文
此特征只可用于安全上下文 (HTTPS)，在某些或所有支持浏览器 .

只读 methodName 特性为 PaymentMethodChangeEvent interface is a string which uniquely identifies the payment handler currently selected by the user. The payment handler may be a payment technology, such as Apple Pay or Android Pay, and each payment handler may support multiple payment methods; changes to the payment method within the payment handler are described by the PaymentMethodChangeEvent .

句法

var methodName = paymentMethodChangeEvent.methodName;

值

A DOMString which uniquely identifies the currently-selected payment handler. This may be a string chosen from the list of standardized payment method identifiers, or a URL used by the payment processing service. See Payment method identifiers in 支付请求 API 了解更多信息。

The default value is the empty string, "" .

范例

此范例使用 paymentmethodchange event to watch for changes to the payment method selected for Apple Pay, in order to compute a discount if the user chooses to use a Visa card as their payment method.

request.onpaymentmethodchange = function(ev) {
  const { type: cardType } = ev.methodDetails;
  const newStuff = {};
  if (ev.methodName === "https://apple.com/apple-pay") {
    switch (cardType) {
      case "visa":
        // do Apple Pay specific handling for Visa card...
        // methodDetails contains the card information
        const result = calculateDiscount(ev.methodDetails);
        Object.assign(newStuff, result);
        break;
    }
  }
  // finally...
  ev.updateWith(newStuff);
};
const response = await request.show();

规范

规范	状态	注释
支付请求 API The definition of 'PaymentMethodChangeEvent.methodName' in that specification.	候选推荐	初始定义。

浏览器兼容性

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. 更新 GitHub 上的兼容性数据

	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
`methodName`	Chrome 不支持 No	Edge 不支持 No	Firefox 63 注意事项 Disabled 63 注意事项 Disabled Available only in nightly builds. Disabled ). To change preferences in Firefox, visit about:config.	IE 不支持 No	Opera 不支持 No	Safari ?	WebView Android 不支持 No	Chrome Android 不支持 No	Firefox Android 63 注意事项 Disabled 63 注意事项 Disabled Available only in nightly builds. Disabled ). To change preferences in Firefox, visit about:config.	Opera Android 不支持 No	Safari iOS ?	Samsung Internet Android 不支持 No

图例

完整支持
不支持
兼容性未知 ?

用户必须明确启用此特征。

元数据

最后修改： Mar 18, 2019

支付请求 API
PaymentMethodChangeEvent
特性
1. methodDetails
2. methodName
继承：
1. PaymentRequestUpdateEvent
2. 事件
Related pages for Payment Request API

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句法

值

范例

规范

浏览器兼容性

图例

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