fedemo.duapp.com.ts

currying.js

var currying = function(fn) {
  var _weight = 0;
  var _args = [];

  return function() {
    if (!arguments.length) {
      return fn.apply(this, _args);
    } else {
      Array.prototype.push.apply(_args, arguments);
      return arguments.callee;
    }
  };
};

var weight = 0;
var addWeight = currying(function() {
  var len = arguments.length;

  for (var i = 0; i < len; i++) {
    weight += arguments[i];
  }
});

addWeight(1)(2)(3)(4)();
console.log(weight);

fedemo.duapp.com.js

// https://fedemo.duapp.com

console.log('https://fedemo.duapp.com')