With time, many frameworks have been developed to improve the functionalities and development of JS. It defines language lexicon & syntax and the APIs that should be made available in it. It is the scripting language specification it’s based on. JavaScript is also multi-paradigm so that you can write your code in a variety of ways, like object-oriented or functional.īehind JavaScript exist a convention called ECMAScript.

Interpreted means that you don’t need to run it through a compiler, and the language can be directly executed by your computer’s processor. High-level means that a lot of abstraction is made, so you don’t have to deal with memory management as you would with low-level languages like C or C++. It’s a high-level, interpreted language just like Python. Trigger pop-ups/offers after user actions It lets you do things like:Īuto-update content, like a social media feed However, JavaScript is more complex than the first two.

While HTML takes care of the content and structure of a page and CSS of the style, JS is used on the client-side for the behavior of a page-it makes it come to life. JavaScript (not to be confused with Java) scripting programming language that appeared in 1995 and is at the core of the modern World Wide Web.

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