What are the methods of json in javascript

There are two json methods built into JavaScript: 1. "JSON.parse()" method, used to convert a JSON string into a JavaScript object; 2. "JSON.stringify()" method, used For converting JavaScript values ​​into JSON strings.

The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.

JS has two built-in Json methods

1. JSON.parse()--Convert string to object

JSON.parse() is used to convert a JSON string into a JavaScript object.

If we receive a string in JSON format, we only need to deserialize it into a JavaScript object, and then we can use this object directly in JavaScript

JSON.parse(text[, reviver])

Parameter description:

• text:Required, a valid JSON string.

• reviver: Optional, a function that converts the result. This function will be called for each member of the object.

Return value: Returns the converted object of the given JSON string.

Example:

2. JSON.stringify()--Convert the object into a string

JSON .stringify() is used to convert JavaScript values ​​to JSON strings.

Any way to turn JavaScript into Json is to serialize this object into a Json string before it can be transmitted through the network;

JSON.stringify(value[, replacer[, space]])

Parameter description:

Return value: Returns a string containing JSON text.

Example:

[Recommended learning: javascript advanced tutorial】

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