- Document Object Model(DOM)
- removeEventListener() 不会用
Payment Request API
Now(2022-07-30) only works in Chrome, Safari(refer)
Payment Request API 提供了支付的优化流程。
The Payment Request API provides a consistent user experience for both merchants and users. It is not a new way for paying for things; rather, it's a way for users to select their preferred way of paying for things, and make that information available to a merchant.