Functions for read write remove value from URL

url.js

window.getValueFromURL = function (name) {
    name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
    var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
        results = regex.exec(location.search);
    return results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
  };

window.setToURL = function (key, value) {
    var queryString;
    window.removeFromURL(key);
    if (value) {
      if (document.URL.indexOf('?') === -1) {
        queryString = '?' + $.param(JSON.parse('{"' + key + '" : "' + value + '"}'));
      } else {
        queryString = '&' + $.param(JSON.parse('{"' + key + '" : "' + value + '"}'));
      }
      history.pushState({},'',location.toString() + queryString);
    }
  };
  
window.removeFromURL = function (key) {
    var sourceURL = location.toString();
    var rtn = sourceURL.split("?")[0],
        param,
        params_arr = [],
        queryString = (sourceURL.indexOf("?") !== -1) ? sourceURL.split("?")[1] : "";
    if (queryString !== "") {
        params_arr = queryString.split("&");
        for (var i = params_arr.length - 1; i >= 0; i -= 1) {
            param = params_arr[i].split("=")[0];
            if (param === key) {
                params_arr.splice(i, 1);
            }
        }
        var finalQueryString = params_arr.join("&");
        if (finalQueryString.length > 0) {
          rtn = rtn + "?" + finalQueryString;
        }
    }
    history.pushState({},'',rtn);
};