低价api

An API (Application Programming Interface) is a set of features and rules that exist inside a software program (the application) enabling interaction with it through software - as opposed to a human user interface. The API can be seen as a simple contract (the interface) between the application offering it and other items, such as third-party software or hardware.

The Fetch API provides an interface for fetching resources (including across the network). It is a more powerful and flexible replacement for XMLHttpRequest.

The Permissions API provides a consistent programmatic way to query the status of API permissions attributed to the current context, such as a web page or worker. For example, it can be used to determine if permission to access a particular feature or API has been granted, denied, or requires specific user permission.

The Navigation API provides the ability to initiate, intercept, and manage browser navigation actions. It can also examine an application's history entries. This is a successor to previous web platform features such as the History API and window.location, which solves their shortcomings and is specifically aimed at the needs of single-page applications (SPAs).

The Geolocation API allows the user to provide their location to web applications if they so desire. For privacy reasons, the user is asked for permission to report location information.

The Canvas API provides a means for drawing graphics via JavaScript and the HTML element. Among other things, it can be used for animation, game graphics, data visualization, photo manipulation, and real-time video processing.

The Topics API provides a mechanism for developers to implement use cases such as interest-based advertising (IBA) based on topics collected by the browser as the user navigates different pages, rather than collected by the developer by tracking the user's journey around different sites with third-party cookies.

The File API enables web applications to access files and their contents.

The Popover API provides developers with a standard, consistent, flexible mechanism for displaying popover content on top of other page content. Popover content can be controlled either using HTML attributes, or via JavaScript.

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