Team:TU Munich/jquery.getUrlParam.js
From 2011.igem.org
/* Copyright (c) 2006-2007 Mathias Bank (http://www.mathias-bank.de)
* Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses. * * Version 2.1 * * Thanks to * Hinnerk Ruemenapf - http://hinnerk.ruemenapf.de/ for bug reporting and fixing. * Tom Leonard for some improvements * */
jQuery.fn.extend({ /**
- Returns get parameters.
- If the desired param does not exist, null will be returned
- To get the document params:
- @example value = $(document).getUrlParam("paramName");
- To get the params of a html-attribut (uses src attribute)
- @example value = $('#imgLink').getUrlParam("paramName");
- /
getUrlParam: function(strParamName){
strParamName = escape(unescape(strParamName));
var returnVal = new Array(); var qString = null;
if ($(this).attr("nodeName")=="#document") { //document-handler
if (window.location.search.search(strParamName) > -1 ){
qString = window.location.search.substr(1,window.location.search.length).split("&"); }
} else if ($(this).attr("src")!="undefined") {
var strHref = $(this).attr("src") if ( strHref.indexOf("?") > -1 ){ var strQueryString = strHref.substr(strHref.indexOf("?")+1); qString = strQueryString.split("&"); } } else if ($(this).attr("href")!="undefined") {
var strHref = $(this).attr("href") if ( strHref.indexOf("?") > -1 ){ var strQueryString = strHref.substr(strHref.indexOf("?")+1); qString = strQueryString.split("&"); } } else { return null; }
if (qString==null) return null;
for (var i=0;i<qString.length; i++){
if (escape(unescape(qString[i].split("=")[0])) == strParamName){
returnVal.push(qString[i].split("=")[1]);
}
}
if (returnVal.length==0) return null;
else if (returnVal.length==1) return returnVal[0];
else return returnVal;
}
});