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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.
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.
The standard way to parse JSON in JavaScript is JSON.parse () The JSON API was introduced with ES5 (2011) and has since been implemented in >99% of browsers by market share, and Node.js. Its usage is simple: const json = ' { "fruit": "pineapple", "fingers": 10 }'; const obj = JSON.parse (json); console.log (obj.fruit, obj.fingers);
The JSON.parse() method parses a string and returns a JavaScript object. The string has to be written in JSON format. The JSON.parse() method can optionally transform the result with a function.
Parse a piece of string text as JSON, optionally transforming the produced value and its properties, and return the value. JSON.rawJSON() Creates a "raw JSON" object containing a piece of JSON text. When serialized to JSON, the raw JSON object is treated as if it is already a piece of JSON.
7 sie 2024 · In this article, we've given you a simple guide to using JSON in your programs, including how to create and parse JSON, and how to access data locked inside it. In the next article, we'll begin looking at object-oriented JavaScript.
5 sty 2021 · The easiest way to get data from an API is with fetch, which includes the .json() method to parse JSON responses into a usable JavaScript object literal or array automagically. Here's some code that uses fetch to make a GET request for a developer-themed joke from the free Chuck Norris Jokes API :
