TypeScript Basic and Advanced
Type of Union
Function Of Array
It was originally developed at Netscape in 1993 and has gone through various iterations since and now is part of the ECMAScript specification which makes it open and cross-platform.
Apart from being one of the most popular programming languages in the world and synonymous in developing websites and web apps, here are some reasons why it's important,
var greet = "Hello World!";
document.write(greet); // Prints: Hello World!