
What is JSON and what is it used for? - Stack Overflow
Apr 16, 2023 · 679 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 …
Which JSON content type do I use? - Stack Overflow
Of course, the correct MIME media type for JSON is application/json, but it's necessary to realize what type of data is expected in your application. For example, I use Java Ext GWT and the server …
Can comments be used in JSON? - Stack Overflow
Yes. The JSON format has a lot of dead-space between elements and is space-insensitive in those regions, so there's no reason why you can't have single or multi-line comments there. Many parsers …
JSON: why are forward slashes escaped? - Stack Overflow
Oct 16, 2009 · JSON stems from Javascript (JavaScript Object Notation), it only makes sense that it was originally adapted for use in Javascript. Unfortunately, as with all things related to Javascript, it has …
javascript - Fetch: POST JSON data - Stack Overflow
Apr 21, 2015 · The Content-Type is application/json, but your actual body appears to be x-www-form-urlencoded - I don't think this should work? If it does work, your server must be pretty forgiving.
How to escape special characters in building a JSON string?
356 A JSON string must be double-quoted, according to the specs, so you don't need to escape '. If you have to use special character in your JSON string, you can escape it using \ character. See this list …
Load local JSON file into variable - Stack Overflow
JSON keys and values must be wrapped in double quotes (" not ') unless the value is numeric, boolean, null, or composite (array or object). JSON cannot contain functions or undefined values.
How can I get the key value in a JSON object? - Stack Overflow
JSON is a textual notation, but if your example code works ([0].amount), you've already deserialized that notation into a JavaScript object graph. (What you've quoted isn't valid JSON at all; in JSON, the …
How do I make a JSON object with multiple arrays?
The JSON data is an object (basically an associative array). Indexed arrays use square brackets, [0,1,2], while associative arrays use curly braces, {x:1,y:2,z:3}. Any of the data within the outermost object …
Difference between JSON object and JSON array - Stack Overflow
Mar 15, 2024 · JSON can store nested Arrays that are passed as a value. JSON Object JSON objects are written in key/value pairs. Keys must be strings, and values must be a valid JSON data type …