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In JSON, array values must be of type string, number, object, array, boolean or null. In JavaScript, array values can be all of the above, plus any other valid JavaScript expression, including functions, dates, and undefined.
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To serialize (convert) a JavaScript object into a JSON string you can use the JSON object stringify() method. For the example from Mark Linus answer: var cars = [{ color: 'gray', model: '1', nOfDoors: 4 }, { color: 'yellow', model: '2', nOfDoors: 4 }];
Introduction. JSON* is a text syntax that facilitates structured data interchange between all programming languages. JSON is a syntax of braces, brackets, colons, and commas that is useful in many contexts, profiles, and applications.
JSON (JavaScript Object Notation) syntax is based on a subset of JavaScript (see also json.org). valid JSON expression can be one of the following data types. simple data types: String, Number, Boolean, Null. composite data types: Value, Object, Array.
Simple Example in JSON The following example shows how to use JSON to store information related to books based on their topic and edition. 1. JSON ─ OVERVIEW
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.
JSON Array. JSON array is written inside square brackets [ ]. For example, // JSON array . [ "apple", "mango", "banana"] // JSON array containing objects . [ { "name": "John", "age": 22 }, { "name": "Peter", "age": 20 }. { "name": "Mark", "age": 23 } ] Note: JSON data can contain objects and arrays.
