JavaScript is Everywhere. Millions of web pages are built on JavaScript and it’s not going anywhere at least for now. On one side HTML and CSS give styling to the web pages but on the other side, it’s the magic of JavaScript that makes your web page alive. Today this language is not just limited to your web browser. You can also use it for server-side applications. Isn’t it cool to use a single language for both client-side and server-side applications? A single language fulfills both of the purposes and this is the main reason TON of job posting is there for javascript developers in the tech industry. Local Scope allows access to everything within the boundaries (inside the box) Global Scope is everything outside the boundaries (outside the box). A global scope can not access a variable defined in local scope because it is enclosed from the outer world, except if you return it. Example: The code given below will give you an error because “name” is defined within the boundary (local scope) of the showName() function. You can not have access to this variable outside the function. JavaScript is the programming language of the Web. JavaScript is easy to learn. This tutorial will teach you JavaScript from basic to advanced. JavaScript is the world's most popular programming language. JavaScript is the programming language of the Web. JavaScript is easy to learn This tutorial will teach you JavaScript from basic to advanced.

JavaScript is a text-based programming language used both on the client-side and server-side that allows you to make web pages interactive. Where HTML and CSS are languages that give structure and style to web pages, JavaScript gives web pages interactive elements that engage a user.