Given the following form:

<form>
    <input name="foo" value="bar">
    <input name="hello" value="hello world">
</form>

I can use the $.param( .. ) construct to serialize the form:

$.param( $('form input') )

=> foo=bar&hello=hello+world

How can I deserialize the above String with JavaScript and get a hash back?

For example,

$.magicFunction("foo=bar&hello=hello+world")

=> {'foo' : 'bar', 'hello' : 'hello world'}

Reference: jQuery.param( obj ).

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