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The relationship between JSON and JS objects

Many people don’t understand the relationship between JSON and JS objects, even who is who. In fact, it can be understood as follows:

JSON is a string representation of JS objects. It uses text to represent the information of a JS object,It’s essentially a string.

JSON to object
var obj = JSON.parse('{"a": "Hello", "b": "World"}'); 
//The result is {A: 'hello', B: 'world'}
Object to JSON
var json = JSON.stringify({a: 'Hello', b: 'World'});
//The result is' {"a": "hello", "B": "world"} '

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