Property accessors in programming, specifically in object-oriented languages like JavaScript, provide mechanisms to set and retrieve values of an object's properties through getter and setter methods. They are crucial for encapsulation, enabling data validation and controlled access to an object's internal state, thus promoting cleaner and more modular code design.

Property Accessors

Object-oriented languages

JavaScript is a versatile, high-level programming language primarily used for enhancing interactivity and functionality of web pages. It is an essential component of the web development triad, alongside HTML and CSS, and is supported by all modern web browsers without the need for plugins.

JavaScript

Mechanisms to set and retrieve values

Getter And Setter Methods

Encapsulation is a fundamental principle in object-oriented programming that involves bundling the data and the methods that operate on the data into a single unit, or class, while restricting access to some of the object's components. This concept promotes modularity and enhances security by allowing controlled access and modification of the object's state through defined interfaces, typically using access specifiers like private, protected, and public.

Encapsulation

Data validation is a critical process that ensures the accuracy, quality, and integrity of data before it is processed and used in decision-making. It involves checking data against predefined rules or criteria to identify and correct errors, thereby preventing potential issues in data-driven applications.

Concepts

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