JSON (JavaScript Object Notation) is a lightweight format that is used for data interchanging. It is based on a subset of JavaScript language (the way objects are built in JavaScript).

451 I have saved a JSON file in my local system and created a JavaScript file in order to read the JSON file and print data out. Here is the JSON file:

That's great, however, this question is about a user trying to copy an object literal into a .json file that they then load in with ajax, only, their object literal was in a format that wasn't valid for JSON.

An approach I like to use is to pad/wrap the json with an object literal, and then save the file with a .jsonp file extension. This method also leaves your original json file (test.json) unaltered, as you will be …

Dec 28, 2015 · The opposite is JSON.parse which takes a string and turns it into an object. Neither of them have anything to do with getting the size of an array. When properly coding JavaScript you …

Thinking that I am getting json file from server, how to use that file in my html, so that I can display the data in tables in html page. I am using JavaScript to parse the json file.

There are two parts to this question: (a) why does json() return a promise at all, and (b) why does returning a promise in a .then callback unwrap the promise for the next .then callback. Both should …

@user3651476 That's because "12345678" is a valid json string. JSON documents have a single root node, which can be null, a boolean, a number, a string, an array or an object.

You can use a library jsoncode that allows you to apply logical expressions directly into JSON and get the necessary result according to the transmitted model:

Sep 13, 2015 · The reason I'm asking is I am finding a lot of information online on how to pull data from a .json file using AJAX but not writing new data to the .json file using AJAX to update the .json file …