JSON 2.0: Libraries and browser support

Category: Browsers , JavaScript , JSON , Library

>John is at it again, writing a piece on recent news surrounding JSON.

He links to an updated library by Douglas Crockford,

PLAIN TEXT

JAVASCRIPT:

JSON.stringify({name: "John", location: "Boston"});
// => "{'name':'John','location':'Boston'}"
JSON.parse("{'name':'John','location':'Boston'}");
// => {name: "John", location: "Boston"}

It also turns out that Mozilla implemented this functionality in the browser (time for a wrapper):

PLAIN TEXT

JAVASCRIPT:

var nativeJSON = Components.classes["@mozilla.org/dom/json;1"]
.createInstance(Components.interfaces.nsIJSON);
nativeJSON.encode({name: "John", location: "Boston"});
// => "{'name':'John','location':'Boston'}"
nativeJSON.decode("{'name':'John','location':'Boston'}");
// => {name: "John", location: "Boston"}

And in conclusion:

The final, and most important, step is being worked on right now - a way to access native JSON encoding and decoding from web pages. How it'll be accessible is up to some debate (as having its naming conflict with an existing object would be a really bad thing). Regardless, there should be something within the browser by the time the Firefox 3 betas wrap-up.

2 Comments »

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would be better in security.
Comment by phpcs — January 31, 2008: I’m no Asa Dotzler, heavens forbid no, but I reckon passing a JS object to an XPCOM object and then passing it back would make it slower due to unnecessary conversion overhead. Perhaps a pure JS solution would be quicker. Just my speculation.
Comment by Jordan — January 31, 2008

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