Call base method in Javascript using Douglas Crockford's functional inheritance

Basically how do I call a base method using this patter below?

var GS = {};
GS.baseClass = function (somedata) {
  var that = {};
  that.data = somedata;

  //Base class method
  that.someMethod = function(somedata) {
    alert(somedata);
  };

  return that;
};

GS.derivedClass = function(somedata) {
 var that = GS.baseClass(somedata);

 //Overwriting base method
 that.someMethod = function(somedata) {
   //How do I call base method from here? 

   //do something else
 };
 return that;
};

Thanks.

Basically how do I call a base method using this patter below?

var GS = {};
GS.baseClass = function (somedata) {
  var that = {};
  that.data = somedata;

  //Base class method
  that.someMethod = function(somedata) {
    alert(somedata);
  };

  return that;
};

GS.derivedClass = function(somedata) {
 var that = GS.baseClass(somedata);

 //Overwriting base method
 that.someMethod = function(somedata) {
   //How do I call base method from here? 

   //do something else
 };
 return that;
};

Thanks.

Share Improve this question asked Sep 23, 2009 at 18:13 Sergey 3,2135 gold badges36 silver badges47 bronze badges

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1 Answer 1

Sorted by: Reset to default 7

var GS = {};
GS.baseClass = function (somedata) {
  var that = {};
  that.data = somedata;

  //Base class method
  that.someMethod = function(somedata) {
    alert(somedata);
  };

  return that;
};

GS.derivedClass = function(somedata) {
 var that = GS.baseClass(somedata);

 //Overwriting base method
 var basemethod = that.someMethod;
 that.someMethod = function(somedata) {
   //How do I call base method from here? 
   basemethod.apply(that, [somedata]);
   //do something else
 };
 return that;
};

Cheers.

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Call base method in Javascript using Douglas Crockford's functional inheritance - Stack Overflow

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