Modern JavaScript gives us a strong class-based syntax for defining objects. Understanding the concept of objects, how create them and make use of them, is essential. Behind the scenes ...

A constructor is a special function that is used to create and initialize an object instance of a class. In JavaScript, a constructor gets called when an object is created using the new keyword. The ...

Know how to declare variables using var , let , and const . Understand the different data types in JavaScript. Be able to use the typeof operator to identify the data of a variable. Understand the ...

A new object for displaying time, ' Temporal ', has appeared to solve these problems, and work is underway to implement it in browsers. The JavaScript Date object was created by copying the ...