Javacript advanced Programming-emerging APIs

Source: Internet
Author: User
1. Emerging APIs

Requestanimationframe (): is an API that focuses on optimizing JS animations to signal when the animation is running. With this mechanism, the browser is able to automatically optimize screen redraw operations

Page Visibility API: Let developers know when a user is looking at a page and when the page is hidden.

Geolocation API: The user's location can be determined with the user's permission

File API: Can read the contents of files, user display, processing and uploading

Web Timing: Gives a lot of information about the page loading and rendering process, which is valuable for performance optimization

Web Workers: You can run asynchronous JavaScript code to avoid clogging the user interface

Javacript advanced Programming-emerging APIs

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