---
title: "Discussion on \"The Double Question Mark (Nullish Coalescing Operator) in JavaScript\" | Hashnode"
description: "Discussion on \"The Double Question Mark (Nullish Coalescing Operator) in JavaScript\". The Nullish Coalescing Operator (Double Question Mark ??) is a special case from the OR Logical Operator (||). Let's introduce some use cases of it."
url: "https://hashnode.com/posts/double-question-mark-javascript/64892e0a61ac0859686daf2a"
---

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# [The Double Question Mark (Nullish Coalescing Operator) in JavaScript](https://mayallo.hashnode.dev/double-question-mark-javascript?utm_source=hashnode&utm_medium=feed)

The Nullish Coalescing Operator (Double Question Mark ??) is a special case from the OR Logical Operator (||). Let's introduce some use cases of it.

Jun 14, 2023 · 4 min read · mayallo.hashnode.dev  
Updated Jul 8, 2023  
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## Written by

[Mohamed Mayallo](https://hashnode.com/@mayallo)

@mayallo

  
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Self-taught Software Engineer

I'm a Software Engineer Passionate about Clean Code, Design Patterns, and System Design. Learning something new every day. Feel free to say Hi on LinkedIn at https://www.linkedin.com/in/mayallo

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