43 lines
1.1 KiB
JavaScript
43 lines
1.1 KiB
JavaScript
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/* Client-side access to querystring name=value pairs
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Version 1.3
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28 May 2008
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License (Simplified BSD):
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http://adamv.com/dev/javascript/qslicense.txt
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*/
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function Querystring(qs) { // optionally pass a querystring to parse
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this.params = {};
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var query_string = window.location.search;
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if (qs == null) qs = query_string.substring(1, query_string.length);
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if (qs.length == 0) return;
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// Turn <plus> back to <space>
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// See: http://www.w3.org/TR/REC-html40/interact/forms.html#h-17.13.4.1
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qs = qs.replace(/\+/g, ' ');
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var args = qs.split('&'); // parse out name/value pairs separated via &
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// split out each name=value pair
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for (var i = 0; i < args.length; i++) {
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var pair = args[i].split('=');
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var name = decodeURIComponent(pair[0]);
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var value = (pair.length==2)
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? decodeURIComponent(pair[1])
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: name;
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this.params[name] = value;
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}
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}
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Querystring.prototype.get = function(key, default_) {
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var value = this.params[key];
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return (value != null) ? value : default_;
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}
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Querystring.prototype.contains = function(key) {
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var value = this.params[key];
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return (value != null);
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}
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