Assign json stored in a file to a js variable

Question

I am working on a project and I was not able to figure out how to do this. I have a json file and need to assign it to a js variable to use the protovis visualization tools.

I tried searching on google but could not find any. Please let me know if someone knew how to do this. Thanks!

Diodeus - James MacFarlane · Accepted Answer · 2011-12-16 19:17:47Z

3

Use jQuery's parseJSON().

Description: Takes a well-formed JSON string and returns the resulting JavaScript object. version added: 1.4.1jQuery.parseJSON( json ) jsonThe JSON string to parse. Passing in a malformed JSON string may result in an exception being thrown.

answered Dec 16, 2011 at 19:17

Diodeus - James MacFarlane

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3 Comments

Diodeus - James MacFarlane Over a year ago

jQuery is open-source, go rip out the part you need.

Jayaram Over a year ago

Thanks,Can you also help me how to read the file which is stored locally ?

Diodeus - James MacFarlane Over a year ago

Browsers cannot read local files (HTML5 local storage is a different issue) . If they could web pages would be poking around your hard drive without authorization.

patorjk · Accepted Answer · 2011-12-16 19:32:09Z

0

If you're getting the file from your server via the XMLHttpRequest object, you can parse the json using the JSON.parse function:

var myJson = JSON.parse(response);

For browsers that don't support the JSON object you can get a library for it here: http://www.json.org/js.html

answered Dec 16, 2011 at 19:32

patorjk

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2 Comments

Jayaram Over a year ago

Actually I'm not getting the file from the server, its stored locally. Do you know how I can access files stored locally ?

patorjk Over a year ago

Diodeus response to this issue above is correct. If you're aiming for HTML5 enabled browsers, do a Google search and you'll find the API. Additionally, the answers here -> stackoverflow.com/questions/371875/… - might also interest you.

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