What is a .json file?

".json" is a file used to store simple data interfaces and objects; json is a lightweight data exchange format, based on a subset of ECMAScript, using text that is completely independent of programming languages Format to store and represent data, used by many web applications for data exchange.

The operating environment of this tutorial: Windows 10 system, DELL G3 computer.

What is a .json file?

.json is a file used to store simple data structures and objects. json is a lightweight data exchange format based on a subset of ECMAScript (the js specification developed by the European Computer Association). It uses a text format that is completely independent of programming languages ​​to store and represent data. It is used in many web applications. Perform data exchange.

The meaning of JSON files:

JSON stands for JavaScript Object Notation and is an organized, easy-to-access method of storing information. It provides us with a readable collection of data that we can access in a reasonable way. JSON files can store simple data structures and objects. JSON files are supported in many different programming APIs. JSON is used in many web applications these days for data exchange, and they don't actually save a ".JSON" file on the hard drive that can be used to exchange data between computers connected to the internet. Some applications allow users to save it in a ".JSON" file.

.json is a file used to store simple data structures and objects. json is a lightweight data exchange format based on a subset of ECMAScript (the js specification developed by the European Computer Association). It uses a text format that is completely independent of programming languages ​​to store and represent data. It is used in many web applications. Perform data exchange.

The role of json file

json is a lightweight data exchange format. Easy to read and write, and easy to machine parse and generate. It is a string in itself, but it has a fixed format. Strings that conform to this format are called json strings.

Simply put, JSON can convert a set of data represented in a JavaScript object into a string. This string can then be easily passed over the network or between programs, and restored when needed. Data formats supported by various programming languages, for example in PHP, JSON can be reduced to an array or a basic object. When using AJAX, if you need to use an array to transfer values, you need to use JSON to convert the array into a string.

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