Learn how and when to write a streaming parser using different techniques: line by line, using generator functions, or by manually pausing and keeping state.

…but I ended up writing one of the fastest JavaScript CSV parsers out there. See the benchmark and learn what makes the csv42 library so fast.

You can blindly cast the data to your TypeScript model, but there is more to this: ideally you validate your data before casting it. Learn how to go about this.

The issue originates from using JSON for configuration files, whereas JSON is a data format in the first place. Learn what you can do about it.

JavaScript's built-in JSON parser can corrupt large numbers. In this article we explain the problem in-depth and show how we solved it in JSON Editor Online.

How can you figure out what is wrong, without spending too much time on it? And, of course, how to solve the problem and fix JSON?

What is the "right" JSON date format? This article explains three solutions, including the ISO 8601 date string which is normally the best approach.

When you parse JSON, you convert a string containing a JSON document into a structured data object that you can operate on. Learn how this works.