Null in JavaScript

Date: 2023-06-02

In JavaScript, null is a primitive value signifying the intentional absence of an object value. It differs from undefined, which represents an uninitialized variable. null can be explicitly assigned to variables, checked using conditional statements (preferably with the strict equality operator, ===), and passed to functions. While useful, mishandling null can lead to errors. Alternatives like empty objects or arrays offer more structured ways to represent the absence of a value. Understanding these nuances is crucial for writing robust JavaScript code.

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