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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.
4 lip 2020 · By using the JSON.parse( ) method in JavaScript to convert the string into a JavaScript Object and access individual values by using the do notation (.), as shown in the example:
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.
In JavaScript, you can serialize arbitrary data types to JSON numbers without producing a number value first (resulting in loss of precision) by using JSON.rawJSON() to precisely specify what the JSON source text should be.
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.
