Explain Json to me like I'm five

This question already has an answer here:

What is JSON and why would I use it? 16 answers

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json is similar to filling your name slip on a book cover.

In json information is written in a structure, which helps every one understand information easily.

In json your name slip will look like:

{
	"name": "Samimath",
	"class": 1,
	"sec": 1,
	"subject": "english",
	"rollno": 5,
	"school": "Rainbow Public School",
	"contact": 555666777
}

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Json is a serialization format, allowing us to convert objects to strings and vice-versa.

For example you might have a variable called Person

var person = {
    Firstname: "Mike",
    Surname: "Smith"
};

var json = JSON.stringify(person);

This will look like: {"Firstname":"Mike","Surname":"Smith"}

We can also de-serialize by doing: var person2 = JSON.parse(json);

By converting objects to strings we can exchange data with other systems, eg web services, databases, messaging etc. Json then works as a common format between these systems.

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