JavaScript Expression & Statement
An expression is any valid set of literals, variables, operators that evaluates to a single value.
JavaScript
Difference between Undefined & Null in JavaScript
In JavaScript undefined & null sound like same, but they are different.
JavaScript ProtoType
JavaScript is a prototype based language. The term Prototype is another important topic of JavaScript. Without knowing it, we can’t understand the underlying structure of a reference typed JavaScript code.
Understanding AST with JavaScript
In computer science there is a term I always wanted to know deep about it and it is called AST(Abstract Syntax Tree)…
Optional Chaining & Nullish Coalescing
In es2019 and TypeScript 3.7 we got two new way to check nullish value(null, undefined), these are Optional Chaining & Nullish Coalescing.
Generics in TypeScript
In TypeScript Generics allows us to pass a range of types to a function or component. We can call it Abstract Type.
TypeScript Readonly Property
TypeScript allows us to make an individual property readonly. When we use readonly, we can’t assign them with other variables, can’t update or delete.