How can I build a querystring from an object? [duplicate]

Question

Possible Duplicate:
querystring encoding of a javascript object

I'm trying to make a request to a website and embed the result as an iframe in the page using javascript. I need to pass a number of parameters in the request as querystring variables and I'd like to be able to specify the parameters as an object, passing them to a function to produce a querystring so they are easy to read, maintain and manipulate.

How can I construct the querystring of a URL from a JSON object with simple values? I would expect this example:

{
    h:300,
    w:300,
    skip:500,
    count:50
}

to produce the following querystring:

h=300&w=300&skip=500&count=50

Are there any existing library functions to do this, or is the best thing to loop over the properties myself?

It's close to being a duplicate. I'd suggest the difference is that I'm willing to use any libraries where the related question is not. — Paul Turner
– Paul Turner, Commented Jan 7, 2013 at 14:35
His adversity to using the answers doesn't make them any less valid for you. Check out his answers and you have yours. oleq's answer is the second answer there. — rlemon
– rlemon, Commented Jan 7, 2013 at 14:38
Right you are - I didn't go beyond the accepted answer on my first read. — Paul Turner
– Paul Turner, Commented Jan 7, 2013 at 14:39

oleq · Accepted Answer · 2013-01-07 14:30:53Z

4

jQuery has a built-in method for this: jQuery.param()

answered Jan 7, 2013 at 14:30

oleq

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Sam3k · Accepted Answer · 2013-01-07 14:43:41Z

0

I recommend you use jQuery's param(). Here is the documentation http://api.jquery.com/jQuery.param/

You would pass your object like so:

var myObj = { h:300, w:300, skip:500, count:50 }

console.log('=>', $.param(myObj) ); // prints => h=300&w=300&skip=500&count=50

answered Jan 7, 2013 at 14:43

Sam3k

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