JSON is not defined, Chrome

Question

I have some JS that runs fine in FF and IE but in Chrome I see the following error:

uncaught exception ReferenceError: JSON is not defined

I presume I need to include something but I'm not sure what. Help? Also, any clue why this might work on IE/FF but not Chrome?

Btw, I'm using JSON.stringify() in my script.

UPDATE: JSON.stringify is now available in chrome (couldn't find when it was introduced).

Toji · Accepted Answer · 2009-09-01 22:10:59Z

9

The JSON object is not yet part of the standard IIRC, but is expected to be soon. In the meantime, browsers are free to implement it at will, and that's probably what you are seeing here.

Your best bet is to get a separate library that does the same thing and use it for the meantime until native implementations are more widespread. You can find a very good one here (Link at the bottom).

answered Sep 1, 2009 at 22:10

Toji

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4 Comments

Ben Blank Over a year ago

Specifically, I believe only FF3.5 and IE8 currently implement it.

psychotik Over a year ago

So for FF3.5 and IE8, would the built-in implementation win or would the included js be used? Just curious how it works for JS in general...

bobince Over a year ago

The js file sniffs for existing window.JSON members and will leave them in place if present. (Could be native, could have been put there by another library.)

Eli Grey Over a year ago

Chromium builds have also had native JSON support for a while.

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