---
title: "JSON for Beginners – JavaScript Object Notation Explained in Plain English"
url: https://daily.dev/posts/json-for-beginners-javascript-object-notation-explained-in-plain-english-1s7es3sts
source_url: https://www.freecodecamp.org/news/what-is-json-a-json-file-example/
type: article
source: "freeCodeCamp"
author: "Tapas Adhikary"
published: 2021-11-29T19:28:46.055Z
updated: 2021-11-29T19:28:46.056Z
tags: ["javascript"]
reading_time: 6
upvotes: 26
comments: 0
language: en
---

> ## Documentation Index
> Fetch the complete documentation index at: https://daily.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# JSON for Beginners – JavaScript Object Notation Explained in Plain English

**[freeCodeCamp](https://daily.dev/sources/freecodecamp)** · [@atapas](https://daily.dev/atapas) · 6 min read · 26 upvotes · 0 comments

## Summary

JSON (JavaScript Object Notation) is a text-based data exchange format. It is a collection of key-value pairs where the key must be a string type. The key and value must be separated by a colon (:) symbol. No comments (// or /* */) are allowed in JSON data.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://www.freecodecamp.org/news/what-is-json-a-json-file-example/>

## Similar posts on daily.dev

- [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 0 upvotes · 0 comments
- [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments
- [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments

---

Tags: [#javascript](https://daily.dev/tags/javascript)

[View this post on daily.dev](https://daily.dev/posts/json-for-beginners-javascript-object-notation-explained-in-plain-english-1s7es3sts)