In TypeScript (and JavaScript), let, var, and const are used for variable declaration. Each has different characteristics that affect scope, hoisting, reassignment, and immutability. Here’s
Tag: Javascript
TypeScript and JavaScript are closely related, but they have important differences. Here’s a breakdown of the key distinctions between the two: 1. Type System 2.
In JavaScript, prototypes are a key feature of the language’s object-oriented capabilities. JavaScript uses prototypal inheritance, which means that objects inherit properties and methods from
In JavaScript, a closure is a function that retains access to its lexical scope (the scope where it was declared) even when the function is
In JavaScript, every value is either truthy or falsy when evaluated in a boolean context (such as in if statements or logical operations). This is
In JavaScript, there are two main types of equality operators used to compare values: loose equality (==) and strict equality (===). They differ in how
JavaScript has several “special” values that behave differently from regular values. These special values are used to represent unique conditions, such as undefined states, invalid