The technique by which JavaScript objects inherit features from one another is called prototyping. We'll go over what a prototype is, how prototype chains function, and how to set a prototype for an object in this article.
When we construct a JavaScript function, JavaScript automatically adds a prototype attribute to it. A prototype is an object that may be modified to include additional variables and methods. Prototype, in other words, is a foundation class for all objects that aids in inheritance.
JavaScript is a prototype-based programming language that allows objects to share characteristics and functionalities. Each item has a prototype counterpart. When a function is created in JavaScript, the prototype property is immediately assigned to that function.
A function prototype is nothing more than a function declaration that provides the function's name, parameters, and return type. It is missing the function body. A function prototype tells the compiler that the function will be utilized later in the program.
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