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Use the JavaScript function JSON.parse() to convert text into a JavaScript object: const obj = JSON.parse(' {"name":"John", "age":30, "city":"New York"}'); Make sure the text is in JSON format, or else you will get a syntax error. Use the JavaScript object in your page:
JavaScript also has a built in function for converting an object into a JSON string: JSON.stringify() You can receive pure text from a server and use it as a JavaScript object. You can send a JavaScript object to a server in pure text format.
24 sty 2024 · JavaScript provides methods JSON.stringify to serialize into JSON and JSON.parse to read from JSON. Both methods support transformer functions for smart reading/writing. If an object has toJSON , then it is called by JSON.stringify .
12 cze 2024 · The JSON.parse () static method parses a JSON string, constructing the JavaScript value or object described by the string. An optional reviver function can be provided to perform a transformation on the resulting object before it is returned.
JSON is text, and text can be transported anywhere, and read by any programming language. JavaScript Objects can be converted into JSON, and JSON can be converted back into JavaScript Objects. This way we can work with the data as JavaScript objects, with no complicated parsing or translations.
Use the JavaScript function JSON.stringify() to convert it into a string. const myJSON = JSON.stringify(arr); The result will be a string following the JSON notation.
In this guide, we delve deep into the fundamentals and advanced techniques of handling JSON in JavaScript, providing you with the knowledge and skills to manipulate, store, and retrieve JSON data with confidence.
