
Working with objects - JavaScript | MDN
Creating new objects You can create an object using an object initializer. Alternatively, you can first create a constructor function and then instantiate an object by invoking that function with …
Classes - JavaScript | MDN
Classes are a template for creating objects. They encapsulate data with code to work on that data. Classes in JS are built on prototypes but also have some syntax and semantics that are …
Working with JSON - Learn web development | MDN
JavaScript Object Notation (JSON) is a standard text-based format for representing structured data based on JavaScript object syntax. It is commonly used for transmitting data in web …
Date - JavaScript | MDN
JavaScript Date objects represent a single moment in time in a platform-independent format. Date objects encapsulate an integral number that represents milliseconds since the midnight at the …
Understanding Objects in JavaScript for Beginners (With Exam
2. Creating objects An object is a JavaScript data type, just as a number or a string is also a data type. As a data type, an object can be contained in a variable. There are two ways to construct …
JavaScript Fundamentals Quiz - JavaScript Fundamentals Quiz ...
3. Why can you use methods like .length, .repeat(), .concat(), and .slice() on a string primitive in JavaScript? Those methods exist natively on string primitives. JavaScript temporarily converts …
how to create Object key & value in JavaScript dynamically ...
I want to create a JavaScript object dynamically from two arrays of strings. One array is used for the key and another for the value. e.g. it should create * element.name="xyz"; *etc
JavaScript Arrays and Objects – Full Stack Web Development ...
JavaScript makes extensive use of objects, and supports object-oriented programming. But JavaScript also supports other programming styles, notably imperative and functional, and its …