jQuery parse href for key value pairs

I want to be able to extract a couple of key value pairs (if they exist) from a href. Assume example hrefs like:

http://server/index.pl?foo=bar&baz=123
http://server/index.pl?foo=bar

Basically b开发者_如何学编程az may not exist. Using jQuery I'm capturing this on click function, I'd like to be able to find out what the values are (if they exist).

Thanks

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You can use the JQuery URL parser to achieve this. Here is an example where an object of the parameters is returned:

$.url('http://allmarkedup.com?sky=blue&grass=green').param(); // returns { 'sky':'blue', 'grass':'green' }

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Something I've used in the past for this is a simple function like this:

var $_GET = {};
document.location.search.replace(/\??(?:([^=]+)=([^&]*)&?)/g, function () {
function decode(s) {
    return decodeURIComponent(s).replace(/\+/g, " ");
}
$_GET[decode(arguments[1])] = decode(arguments[2]);
});

Then the $_GET variable contains everything. $_GET.baz would return 123 for example. You could also access them like $_GET["baz"] if you needed to type in strings with spaces.

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You can find many solutions on the net, take a look at parseUri, for example.