How browsers parse javascript

With the continuous development of Internet technology, JavaScript language has become an essential skill for front-end development. JavaScript is a scripting language that can be executed in the browser to achieve interactive effects on web pages, such as form validation, dynamic loading of content, asynchronous requests, etc. So how does the browser parse JavaScript? Let’s explore it in detail below.

1. Parsing process

After a web page is loaded, the browser will first parse the HTML document. For the