TypeScript is a language that enables writing better code for large and complex projects. Explore What TypeScript is and its types through this blog.
TypeScript is also designed for object-oriented programming, whereas JavaScript is not. Concepts like inheritance and access control that are not intuitive in JavaScript are easy to implement in TypeScript. In addition, TypeScript allows you to implement interfaces, a largely meaningless concept in t...
The npm registry is still the most popular way of publishing packages. Even though Node.js supports app packages being written in TypeScript, library packages must be deployed as JavaScript code – so that they can be consumed by either JavaScript or TypeScript. Therefore, a single library file...
Fast forward to 2024, TypeScript is at version 5.5. It also remains relevant to JavaScript and proceeds with its mission to offer effective tools for working with JavaScript. Today, TypeScript is an example of how static typing works in a dynamically typed language. Recommended reading: Best J...
TypeScript is a superset of JavaScript that adds optional static typing and advanced features to JavaScript. It was developed by Microsoft and was initially released in October 2012. Since its release in 2012, it has rapidly gained widespread adoption in the web development community....
JavaScript functions can also be invoked with the new operator. TypeScript refers to these as constructors because they usually create a new object. You can write a construct signature by adding the new keyword in front of a call signature: ...
When used together, "keyof typeof" can be used to get the property names of an object in TypeScript, where: "typeof" operator works on a JavaScript value (such as a variable, constant, parameter, function, class declaration, or enum) to infer the type of the value, and; "keyof" ...
What is a declaration file in TypeScript? In TypeScript, a declaration file (with a .d.ts extension) is used to provide type information for existing JavaScript libraries or modules that do not have built-in TypeScript support. It declares the structure and types of the external code, enabl...
What is symbol in TypeScript? symbol isa primitive data type in JavaScriptand TypeScript, which, amongst other things, can be used for object properties. Compared to number and string , symbol s have some unique features that make them stand out. ...
TypeScript gives you some additional features and types that let you do more with JavaScript. Tuple A tuple is a special array that you declare with a fixed number of elements. These elements can have different types, but the tuple must stick to the types in the order that you declare. ...