JavaScript function for retrieving multiple querystring values

Question

This function works only for a parameter.

function getQueryStringValue(key) {
   debugger;
   return unescape(window.location.search.replace(new RegExp("^(?:.*[&\\?]" + escape(key).replace(/[\.\+\*]/g, "\\$&") + "(?:\\=([^&]*))?)?.*$", "i"), "$1"));
};

Please I need a JavaScript function that can retrieve more than one querystring parameter, I need to pass the name of the parameter as key to the function. Thank you

The function in the link Alex shared is as below

    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, " "));
    };

With my url as this:



       var url= 'search-results.html?param1=unth?param2=lagos';

And I pass this to the function :

     var param1 = getParameterByName('param1');
     var param2 = getParameterByName('param2');

It return param1 as : luth?param2=lagos instead of luth.

This is the same issue with the function I shared. My question is a JavaScript Function that retrieves multiple querystring parameter but the function works only for one parameter

Possible duplicate of How can I get query string values in JavaScript? — Alex K.
– Alex K., Commented Feb 23, 2017 at 14:55
Thank you Alex. I will test the function in the link and get back to you. — O. Okoye
– O. Okoye, Commented Feb 23, 2017 at 15:04

SouXin · Accepted Answer · 2017-02-23 15:29:54Z

0

Your URL should be: var url= 'search-results.html?param1=unth&param2=lagos';

In this case function will work.

var param1 = getParameterByName('param1'); //return unth

var param2 = getParameterByName('param2'); //return lagos

answered Feb 23, 2017 at 15:29

SouXin

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1 Comment

O. Okoye Over a year ago

Thank you a lot SouXin. You are right. It is working now after the amendment.

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