Understanding the Question Mark (?:) in TypeScript
The question mark (?:) in TypeScript is used to define a property or parameter as optional. This article shows examples to understand this concept and more.
The question mark (?:) in TypeScript is used to define a property or parameter as optional. This article shows examples to understand this concept and more.
Are you are new to TypeScript and want to start working on your first project? Some of the questions many developers ask are: How do you structure your types in a TypeScript project? What is the best way to structure your typings that is robust and expandable? Where to put interfaces and type aliases? and … Read more
The double question marks (??) are also called nullish coalescing operators in TypeScript. They allow to use of a default value set on the right side of the operator in case the initial value from the left side of the operator is null or undefined.
Learn how to define object types with unknown keys and known values using TypeScript by explaining with easy code examples.
Learn different ways to declare an empty object for a typed variable using TypeScript by presenting easy to follow examples
Use Union types allows you to define a variable as a string, or a number, or an array, or an object, etc. in TypeScript, which helps you define multiple types.
Learn how to use enums in TypeScript, which are a special type not found in regular JavaScript allowing us to define constants.