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premasagar/hasSearchParam.js

Created September 12, 2011 10:10
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Detect search parameter in window location
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hasSearchParam.js
function hasSearchParam(param, value){
var pattern = "^[\?&]" + param +
(typeof value === "undefined" ? "($|[=&])" : "=" + value + "($|&)");
return (new RegExp(pattern)).test(window.location.search);
}
// e.g. hasSearchParam("debug") on http://example.com?debug
// e.g. hasSearchParam("foo", "bar") on http://example.com?foo=bar
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