I always wondered what is JSON do until I see its full name: JavaScript Object Notation. It may be the best container in JS as it supported by most popular and advanced browsers, and any type of data you want to put in, it sounds splendidly making JS an OOP in the near future, it seems an inevitably revolution for programming(scripting) languages either. Even sometimes it will be used as an array, but it is much more flexible than Array for sure.

Here is a link to a more detailed introduction of JSON and how it could looks like.

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