encode url parameters from obj

gistfile1.js

var newUrl = "http://localhost:1111/?",
  objKeys = [];

objKeys = Object.keys(obj);

for (var u = 0; u < objKeys.length; u++) {
  var key = objKeys[u];
  newUrl += key + "=" + escape(obj[key]) + "&";
}

history.pushState('', 'Title Goes Here', newUrl);