‘Put your JSON comment here’? What’s the best practice?

What is the significance of JSON comments in coding? How can they be utilized efficiently for better understanding and readability? And, what’s the best practice for using them? JSON, short for JavaScript Object Notation, offers a lightweight and compact data interchange format, which is easy to understand, parse and generate. However, the aspect of incorporating comments within it often spurs various debates among developers regarding the best practices.

Despite JSON’s extensive use and advantages, one main issue appears to be its lack of built-in support for comments. As supported by multiple research findings, such as from IBM and Mozilla Firefox software documentation, coding without comments often leads to a decrease in code legibility and maintainability. In light of this dilemma, this paper discusses the need for a meticulously articulated approach to infuse comments in JSON, thus tackling the associated challenges.

In this article, you will learn about different perspectives on the incorporation of comments in JSON. We will lay down some standard practices, discuss variations, and present some novel ideas for making your JSON coding more efficient and less prone to errors. The knowledge and tips provided will be substantiated with real-world examples and case studies.

Moreover, we will delve into the pros and cons of various methodologies regarding JSON comments and inspect different techniques you can apply to enhance your code clarity. Given the nuanced complexity of the topic, this article aims to be a comprehensive guide for programmers grappling with JSON commenting best practices.

Exploring Key Definitions: JSON and Comments

JSON stands for JavaScript Object Notation. It’s a lightweight data interchange format that’s easy for humans to understand and write, and easy for machines to parse and generate. It’s used primarily to transmit data between a server and a web application or between web applications.

Commenting in programming is the practice of adding explanatory notes to your code. These comments aren’t visible to the end-user but offer insights to anyone examining the code, such as developers or testers.

Best practices refer to the universally accepted procedures or guidelines that yield the best results and are recommended for use.

Unmasking the Importance of JSON Comments in Best Practices

Understanding JSON Comments

JSON (JavaScript Object Notation) is a text-based format used for exchanging data across web servers and clients. It’s easy to read, write, and understand, making it a preferred choice for many web developers. However, one peculiar aspect of JSON is that it doesn’t support comments directly. This absence often stirs the question among developers regarding best practices for JSON comments.

Comments are generally used to describe the purpose of a particular code snippet or to temporarily disable a certain piece of code. As for JSON files, they often hold configuration data, and the developers may feel the necessity to add comments for outlining the function of various data elements. In such scenarios, developers can resort to certain workarounds, like embedding comments within the data or using external tools that allow JSONC (JSON with comments) format.

Adopting Best Practices

Although JSON does not support comments natively, developers can adopt a few best practice methodologies to use comments. The key is to employ techniques that adhere to the JSON format without causing parsing errors. This will ensure the easy exchange of data between servers and clients, along with making the file human-readable.

One way is to use a dummy “_comment” key-value pair within the JSON object. The advantage of this method is that the comments will remain with the data, irrespective of the data exchange. However, the downside is that it may lead to unnecessary data transmission. To prevent this, server-side tools like ‘strip-json-comments’ can help in stripping comments before sending the data.

Another approach is to use the JSONC format and corresponding tools. JSONC is a superset of JSON which allows C-style comments. Tools like ‘json5‘ and ‘jsonc-parser‘ can help in working with JSONC. However, it is essential to ensure that the other side supports JSONC; otherwise, parsing errors may occur.

  • Use dummy “_comment” keys to embed comments directly in the JSON data.
  • Employ server-side tools like ‘strip-json-comments’ to remove comments before transmitting data.
  • Work with JSONC format when both sending and receiving sides support it, using tools like ‘json5’ and ‘jsonc-parser’.

Navigating JSON comments does require extra effort from developers But with these best practices, it is possible to document their code effectively without disrupting the data exchange. Remember, comments in a coding environment are invaluable, not just for current, but also for future reference. When used well, they can streamline the development process and foster stronger collaboration among teams.

Cracking the Code: Implementing JSON Comments for Optimal Practices

Understanding the Importance of JSON Commenting

What if a simple commenting practice could dramatically improve your programming efficacy? That’s exactly what JSON commenting does. When writing code, it’s crucial to remember that one could expend just as much effort understanding it as penning it. JSON is a preferred format for data interchange due to its compactness, universality and readability. However, the ostensibly simple JSON structure may get convoluted and dense, making it intricate and challenging to interpret. That is why it’s imperative to adopt JSON commenting. This programming technique encourages efficient coding as you can briefly explain your thought process, logic behind certain actions, or even leave instructions for future reference. JSON commenting thus enhances the readability of your code, not only for you but for anyone viewing it.

Identifying the Predicament

A challenge that often arises in coding is the prospect of returning to or sharing one’s codes. Without comments, it becomes a painstakingly impossible task to comprehend the structure and workings of the code quickly, creating a convolution that could take hours, even days to unravel. When JSON files are not appropriately commented, it hampers the easy understanding of the code it contains, reducing overall efficiency. The problem gets compounded when these uncommented codes are shared within a team, resulting in a significant amount of cumulative time wasted on decoding rather than actual development. In worst-case scenarios, the lack of comments can lead to introducing bugs or errors unknowingly.

Efficient Practices for JSON Commenting

Incorporating comments in JSON typically follows two approaches – using a JSON-Schema or JSONC, an unofficial syntax extension. The use of JSON-Schema allows comments, but this method is beneficial only if your code needs validation checks. For simple comments that annotate and explain your code, JSONC proves to be more useful. For instance, `/*This is a comment*/` is a valid comment format in JSONC. Another exemplary practice is commenting sparingly but effectively; a common rule of thumb here is to comment the ‘why’ and ‘what’ rather than the ‘how’. Thus, a comment should explain the purpose and functionality of a piece of code rather than its working mechanism as the latter can be easily deduced from the code itself. Another tip is to update your comments as you update your code to prevent confusion. Remember, a well-commented JSON is a mirror to a programmer’s efficiency and clarity of thought.

JSON Comments and You – Breathing Life into Best Practices

Has Coding Ever Presented More Challenges Than Solutions?

If this question sets a nerve tingling, you’re not alone. The evolution of programming has brought about its set of challenges. At the frontline of these challenges is the existing traditional programming protocol that tends to limit the programmer’s innovation scope. Here’s where JSON comments come in to break the boundaries and introduce a new dimension to how we perceive coding.

Diving into the complexities of the current system, the stark rigidity is obvious. The traditional programming protocol offers a stern set of rules that everyone is meant to adhere to strictly. Any attempt at deviation is met with errors. In a paradoxical twist, the process created to enhance accuracy and simplicity only ends up stifling creativity and encouraging an overly cautious approach towards code-writing. This protocol is also time-consuming, leaving developers with less time to innovate or find solutions to more pressing issues.

Unlocking Structures with JSON Comments

Embracing JSON comments as an integral part of your coding practice can be the key to breaking free of this counter-productive pattern. For instance, when using JSON, developers can significantly cut down their time spent on debugging and deciphering codes. The norm of writing descriptive notes alongside the code becomes easy that can amount to time-saving in future projects.

Another example is the use of JSON comments in code reviews. Since JSON comments make lines of code more tangible and less abstract, other programmers looking at your code can understand it much quicker and give more effective feedback. This not only speeds up the code review process but also enhances collaboration amongst programmers.

Lastly, JSON comments are a brilliant way of making code sustainable. When code is handed down from one programmer to another, having JSON comments can ensure that no information or context is lost in the transition. The new programmer can pick up right where the previous one left off, ensuring smooth operations and continuity.

All in all, integrating JSON comments into your programming practice could possibly be one of the most beneficial changes you make. It adds a new dimension to your work, making it more efficient, adaptable and cooperative. After all, innovation and growth are all about pushing boundaries and breaking free from rigid systems. JSON comments do just that. So, are you ready to embrace this revolutionary method and make your mark in the programming world?


Have you ever considered the importance of using JSON comments in a coding language? Perhaps, the vital role that they play often gets overshadowed by complex lines of codes and algorithms. However, the efficiency and effectiveness these comments bring to any programming project cannot be underestimated. Allocating the right time to comment appropriately not only aids in better understanding the purpose of each function but it also significantly reduces confusion in post-production debugging. Moreover, you also leave a trail for other programmers who may work on your project in the future. As we’ve discussed, the best practice revolves around simplicity, clarity, and relevance.

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Frequently Asked Questions

1. What does JSON comment mean?

JSON comment refers to any contextual note or explanation embedded within a JSON file for the purpose of providing additional information. It’s important to note that the JSON data format does not officially support comments, but several methods exist to include comments without disrupting the data.

2. What is the best practice for inserting comments in JSON?

The best way to insert comments in a JSON file can be by using a data element as a form of comment. On the contrary, using actual programming comments (like // or /*…*/) directly in JSON can lead to errors because they are not supported.

3. Why can’t I use ‘//’ or ‘/*…*/’ to mark comments in JSON?

This is because JSON is a data format and doesn’t support these traditional comment markers from programming languages. Including them can result in syntax errors or issues when parsing the JSON data.

4. How can comments in JSON files be beneficial?

Although comments are not officially supported in the JSON standard, incorporating comments in any form can be beneficial for providing context, improving readability, and making code maintenance easier for yourself and others.

5. Are there alternatives to JSON that support comments?

Yes, alternative data formats like YAML and HJSON are superset of JSON and do support embedded comments. These might be better options if comments are crucial for your project.