Question

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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?

Answer 1

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