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.

Feb 4, 2025 · Here are the different ways to read JSON file using JavaScript. 1. Using the fetch () API. The fetch () API retrieves JSON files asynchronously and parses them into JavaScript objects. Syntax. .then(response => response.json()) // Parse JSON. .then(data => console.log(data)) // Work with JSON data.

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:

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.

First, create a JavaScript string containing JSON syntax: Then, use the JavaScript built-in function JSON.parse() to convert the string into a JavaScript object: Finally, use the new JavaScript object in your page: You can read more about JSON in our JSON tutorial.

Feb 11, 2025 · JSON.parse() parses a JSON string according to the JSON grammar, then evaluates the string as if it's a JavaScript expression. The only instance where a piece of JSON text represents a different value from the same JavaScript expression is when dealing with the "__proto__" key — see Object literal syntax vs. JSON.

Jan 18, 2025 · Parse JSON in JavaScript, accepting a JSON string as input and returning a corresponding JavaScript object with two methods, using JSON.parse() for parsing JSON strings directly and employing the fetch API to parse JSON responses from web APIs. These techniques are crucial for seamless data manipula

Mar 6, 2023 · The built-in JSON.parse() method is the most commonly used method for parsing JSON in JavaScript. This method accepts a JSON string as input and returns a JavaScript object containing the parsed data.

Apr 9, 2025 · In this blog, we will explore multiple methods to parse JSON data in JavaScript. Covering methods like JSON.parse() and JSON.stringify(). Whether you’re working with APIs or need to read JSON files, these methods help you a lot. Table of Contents: Different Ways to Parse JSON Data in JavaScript. Method 1: Using JSON.parse()

Apr 7, 2025 · Within JavaScript, JSON parse converts properly formatted JSON files into a JavaScript object, e.g.: If you were to run the code, it would output “JavaScript” into the console. While we used a JSON string, you can easily interact with files to convert them to a JSON object.