2010年10月20日 · It's a potential crashbug issue in that if an attacker embeds \u2028 characters and your (valid) json serializer doesn't escape them (as isn't necessary), any pages that literally include a json literal and evaluate it as a JS object may encounter exceptions. It's easy to fix; at the serializer level, but it's a pain that's it's not a proper ...

The (single) JSON object is similar to a codec, it's function is to encode and decode. Note that: JSON.parse() doesn't create a JSON object, it creates a regular JS object, there is no difference between an object created using an object literal and an object created by JSON.parse() from a JSON-compliant string.

2007年4月13日 · For anybody who came to this question wondering about what these files are, know that there is no reason to use them in modern browsers. From the GitHub repo: "On current browsers, [json2.js] does nothing, preferring the built-in JSON object. There is no reason to use this file unless fate compels you to support IE8, which is something that no ...

2015年3月23日 · json extension marks that content of the file should be tree structure following javascript object syntax (javascript object has nothing to do with 3d objects) and so is human readable. Also this structure is valid for .js extension, in other words any valid json file is also valid js file. Three js loaders are from the big part file parsers.

2011年6月27日 · As you can see, a JSON is simply stored inside a string. To make it useful, the JSON string can be parsed to produce an object in any language. Because the JSON format mimics Javascript's object literal syntax, Javascript makes the parsing process easy: var obj = eval('(' + json + ')'); Though typically you'd see:

2016年10月21日 · JSON is a textual data interchange format. As its name ("JavaScript Object Notation") suggests, it originates from JS; meaning that JSON is actually syntactically valid JavaScript. In other words, you can paste a JSON string directly into your JS code. Arrays are special Objects. They can be constructed by []. Objects can be constructed via {}.

2013年9月27日 · This will return a JSON number. res.json(100) This will return a status code and issue a warning to use sendStatus. res.send(100) If your argument is not a JSON object or array (null, undefined, boolean, string), and you want to ensure it is sent as JSON, use res.json.

JSON.stringify() serializes a JS object into a JSON string, whereas JSON.parse() will deserialize a JSON ...

2016年4月26日 · JSON is more socially accepted, because JS isn't often thought as a configuration format. Letting people use JSON will prevent a "JS is for logic" sterile debate and there's no problem if people are happy with it. Accepting both formats: Here's how reading the JS/JSON configuration can be done:

JSON has been widely adopted by people who found that it made it a lot easier to produce distributed applications and services. The official Internet media type for JSON is application/json RFC 4627. JSON filenames use the extension .json.