lib/modules/antiscroll.costum.js
function inherits (ctorA, ctorB) {
      function f() {}
      f.prototype = ctorB.prototype;
      ctorA.prototype = new f();
    }
function inherits (ctorA, ctorB) {
      function f() {}
      f.prototype = ctorB.prototype;
      ctorA.prototype = new f();
    }
function inherits ( ctorA , ctorB ) { function f ( ) { } f . prototype = ctorB . prototype ; ctorA . prototype = new f ( ) ; }
Cross-browser inheritance.

@param {Function} constructor
@param {Function} constructor we inherit from
@api private
Cross - browser inheritance .