JavaScript

JavaScript is a script-based programming language standardized by ECMA International (association specialized in the standardization of information systems). It was created by Brendan Eich (Netscape) and emerged in 1995 as a client-side scripting language of web pages.

When you load a web page in your browser, you are running your code (HTML, CSS, and JavaScript) within an execution environment (the browser tab). This is like a factory that takes the raw material (the code) and turns it into a product (the web page).

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