devwebee

  var multiply = curry(function(x, y){
    return x * y;
  });

  var add = curry(function(x, y){
    return x + y;
  });

  var Calc = (function(){
    function Calc(x){
      this.x = x;
    }
    Calc.prototype.map = function(f){
      this.x = f(this.x);
      return this;
    };
    return Calc;
  }());

  new Calc(2).map(compose(add(2), multiply(4)));

  // or

  new Calc(2).map(multiply(4)).map(add(2));

  function getURLParameters(url) {
    var res = {},
        re = /[?&]([^?&]+)=([^?&]+)/g;
    url.replace(re, function(_,k,v) {
      res[k] = v;
    });
    return res;
  }

  function hasclass (el, className) {
    if (el.classList)
      return el.classList.contains(className);
    else
      return new RegExp('(^| )' + className + '( |$)', 'gi').test(el.className);
  }

  function hasClass(el, className) {
    if (el.classList) {
      return el.classList.contains(className);
    }    
    return new RegExp('(^| )' + className + '( |$)', 'gi').test(el.className);
  }