When do you use json

To access this information, we need to access the array index of the person we wish to access. For example, we would use the following snippet to access info stored in family :.

NOTE: This is beneficial if it will be necessary to loop through stored information, as it lends itself to a for loop with an automatically incrementing value. Another way to store multiple people in our variable would be to nest objects. To do this, we would create something similar to the following:. Accessing information in nested objects is a little easier to understand; to access information in the object, we would use the following snippet:. Because of the popularity and ease of social media, many sites rely on the content provided by sites such as Twitter, Flickr, and others.

The ease of retrieving data will vary based on the site providing the data, but a simple example might look like this:. This example would request the latest feed items in JSON format and output them to the browser. The request we need to send asks for the latest photos from the user in question, along with flags asking for a JSON-formatted response.

All rights reserved. Various trademarks held by their respective owners. Cloud Elements Walnut St. Faster : The XML software parsing process can take a long time. JSON uses less data overall, so you reduce the cost and increase the parsing speed.

You have an easier time mapping to domain objects, no matter what programming language you're working with. Since the format is text only, JSON data can easily be sent between computers, and used by any programming language.

When storing data, the data has to be a certain format, and regardless of where you choose to store it, text is always one of the legal formats. We just launched W3Schools videos. Get certified by completing a course today! If you want to report an error, or if you want to make a suggestion, do not hesitate to send us an e-mail:. Code for reading and generating JSON exists in many programming languages.