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get URL parameters in javascript

posted on April 20, 2014, 6:45 pm in js

Easily get url parameters using vanilla JavaScript.

The Code

Getting a single param:

var url window.location.href.toLowerCase();

var 
getURLParam = function( name url ) {
    
url url.split'#');
    
url url[0];
    
url url.splitname '=');
    return 
decodeURIComponent( (url[1] || '-1').split('&')[0] );
};

or get all parameters as an object:

var url window.location.href.toLowerCase();

var 
getAllURLParams = function(url) {
    
url url.split('#');
    
url url[0];
    
url url.split('?');
    
url url[1].split('&');
    var 
temp = {},
        
split;
    for (var 
0url.lengthx++) {
        
split url[x].split('=');
        
temp[split[0]] = decodeURIComponent(split[1]);
    }
    return 
temp;
};

Tests

console.log(getURLParam('flag'"http://domain.com/?id=879879&flag=0909&hhu=") == "0909");
console.log(getURLParam('flag'"http://domain.com/?id=879879&flag=0909&hhu=#test") == "0909");
console.log(getURLParam('id',     "http://domain.com/?id=&flag=0909&hhu=") == "");
console.log(getURLParam('id',     "http://domain.com/?id=12345") == "12345");
console.log(getURLParam('hhu',     "http://domain.com/?id=879879&flag=0909&hhu=") == "-1");
console.log(getURLParam('x',     "http://www.domain.com/index.php?x=x1&x=x2&x=x3") == "x1");
console.log(getURLParam('c',     "www.domain.com/t.html?a=1&b=3&c=m2-m3-m4-m5") == "m2-m3-m4-m5");
console.log(getURLParam('enc',     "?i=main&mode=front&sid=de8d49b78ae22c4&enc=+Hello%20&empty") == "+Hello ");
console.log(getURLParam('empty',"?i=main&mode=front&sid=de8d4dce22c4&enc=+Hello%20&empty") == "-1");

console.log(getAllURLParams("http://domain.com/?id=879879&flag=0909&hhu="));
console.log(getAllURLParams("http://domain.com/?id=879879&flag=0909&hhu=#test"));
Check out your browser's console log for the tests output.

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