1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 |
//Originally from http://stackoverflow.com/a/901144 function getParameterByName(name, url) { if (!url) { url = window.location.href; } name = name.replace(/[\[\]]/g, "\\$&"); var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)"), results = regex.exec(url); if (!results) return null; if (!results[2]) return ''; return decodeURIComponent(results[2].replace(/\+/g, " ")); } // query string: ?foo=lorem&bar=&baz var foo = getParameterByName('foo'); // "lorem" var bar = getParameterByName('bar'); // "" (present with empty value) var baz = getParameterByName('baz'); // "" (present with no value) var qux = getParameterByName('qux'); // null (absent) |
No Comments