The Power of the JSON.stringify() replacer parameter

As previously detailed (2013 😱), you can use JSON.stringify()‘s second replacer parameter to pluck specific fields from it, by passing in an array: var person = {"name":"Jim Cowart","location":{"city":{"name":"Chattanooga","population":167674},"state":{"name":"Tennessee","abbreviation":"TN","population":6403000}},"company":"appendTo"}; JSON.stringify(person, ["name", "company"], 4); // ~> "{ // "name": "Jim Cowart", // "company": "appendTo" // }" As Pawel explains the parameter can also be a function, to […]

Faster JavaScript Apps with JSON.parse()

A performance trick that’s been doing rounds on Twitter, now available as a video: Because the JSON grammar is much simpler than JavaScript’s grammar, JSON can be parsed more efficiently than JavaScript. This knowledge can be applied to improve start-up performance for web apps that ship large JSON-like configuration object literals (such as inline Redux […]

JSONbox – Free HTTP based JSON Storage lets you store, read & modify JSON data over HTTP APIs for free. Copy the URL below and start sending HTTP requests to play around with your data store. Oh, this will come in handy for Workshops and quick Proof Of Concepts: curl -X POST ‘’ \ -H ‘content-type: application/json’ \ -d ‘{“name”: “Jon […]


We — Manton Reece and Brent Simmons — have noticed that JSON has become the developers’ choice for APIs, and that developers will often go out of their way to avoid XML. JSON is simpler to read and write, and it’s less prone to bugs. So we developed JSON Feed, a format similar to RSS […]

Jasonette – Build cross-platform mobile apps using JSON

Just like how web browsers turn HTML into a web page, Jasonette turns JSON into iOS native components. This lets you build native apps by writing a simple JSON. Here’s a small snippet/example: { “$jason”: { “head”: { “title”: “{ ˃̵̑ᴥ˂̵̑}”, “offline”: “true”, “actions”: { “$foreground”: { “type”: “$reload” }, “$pull”: { “type”: “$reload” } […]

DocJSON – JSON HyperMedia Documents

A DocJSON document consists of standard JSON with the addition of a set of hypermedia controls that are used to express the actions that may be taken. DocJSON is a flexible document format that does not impose any structural restrictions either on the data representation style or on the layout of hypermedia controls used within […]