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Hack University

IT & Software

What is JSON?

What is JSON?

JSON stands for JavaScripts Object Notation...

- It's a lightweight format for storing and transporting data.

- It's often used when data is sent from a server to a webpage.

- it's "self-describing" and easy to understand.

JSON example:

{

"hackers": [

{ "firstName": "elliot"' "lastName": "alderson" },

{ "firstName": "darlene", "lastName": "alderson" },

{ "firstName: "tyrell"' "lestName": "wellick" }

]

}

JSON Syntax Rules:

- Data is in name/value pairs.

- Data is separated by commas.

- Curly brackets hold objects.

- Square brackets hold arrays.

* Note...

The JSON format is syntactically identical to the code for creating JavaScript objects.

Because of the similarity, a JavaScript program can easily convert JSON data in native JavaScript objects.

Now isn't that cool!

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