JavaScript Objects
In JavaScript, an object is a variable that can hold multiple values. It is a location where a collection of values is stored. Objects are among the most basic data types in JavaScript. Every object contains properties and types, which are a single unit. Objects are not primitive, unlike primitive data types. For instance, take a football. A football has properties like weight, shape, color, and…
In JavaScript, an object is a variable capable of holding multiple values. It serves as a location to store a collection of values. Objects form one of the most fundamental data types in JavaScript. Each object comprises properties and types, functioning as a single unit. Unlike primitive data types, objects are not considered primitive themselves.
Consider a football as an example. It possesses properties such as weight, shape, color, and design. In this context, the football represents an object, with its weight and shape serving as its properties. Analogously, JavaScript objects possess properties that determine their nature. These objects can store various types, including Strings, Numbers, Booleans, Arrays, Functions, and even other objects.
The syntax for defining objects in JavaScript utilizes curly braces to delineate the beginning and end of an object literal. Within these braces, key-value pairs are delineated by commas. Each key is a string, followed by a colon and its corresponding value. These keys and values can be of any data type, such as strings, numbers, booleans, arrays, functions, or additional objects.
An illustrative example code demonstrates the creation of an object named 'person'. This object contains properties like 'name', 'age', and 'city', each assigned a respective value: 'Jaisurya', '23', and 'Chennai'.
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