What is jsonp? Detailed explanation of the principle of jsonp

What is jsonp? What's the use? This article will introduce you to jsonp and understanding of jsonp principles. Friends in need can refer to it.

Without further ado, let’s go directly to the text~

What is jsonp?

We can find the definition of jsonp from the Internet: JSONP (JSON with Padding) is a "usage mode" of JSON, which can be used to solve cross-domain data access by mainstream browsers. question. Due to the same-origin policy, generally located in The web page of server1.example.com cannot communicate with a server other than server1.example.com, and HTML The