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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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JSON is a format for storing and transporting data. 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.
Arrays are a special type of objects. The typeof operator in JavaScript returns "object" for arrays. But, JavaScript arrays are best described as arrays. Arrays use numbers to access its "elements". In this example, person[0] returns John:
This tutorial covers pretty print json objects for easily readable, parse json objects, and writing to a json file with examples.
Converting a JSON Text to a JavaScript Object. A common use of JSON is to read data from a web server, and display the data in a web page. For simplicity, this can be demonstrated using a string as input. First, create a JavaScript string containing JSON syntax:
15 wrz 2014 · You can convert the array into json by JSON.stringify. And using JSON.parse you can parse the JSON. DEMO. You use name/value pairs for dictionaries. You use a sequence of values for arrays. An array is a perfectly legal JSON serializable object.
JSON stands for JavaScript Object Notation, and it's designed to store and transport data. JSON is designed to store and organize data similar to XML, but JSON is smaller, faster, and easier to parse than XML. This tutorial series will help you to get started in JSON.
