Define a method after object instantiation : prototype « Object Oriented « JavaScript Tutorial

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JavaScript Tutorial » Object Oriented » prototype

25. 6. 10. Define a method after object instantiation

It is possible to define a method for a type of object after the object has already been instantiated.


var o = new Object;



Object.prototype.sayHi = function () {

    alert("hi");

};



o.sayHi();

25. 6. prototype
	25. 6. 1.	Prototype Paradigm
	25. 6. 2.	Function share with Prototype Paradigm
	25. 6. 3.	Hybrid Constructor/Prototype Paradigm
	25. 6. 4.	Dynamic Prototype Method
	25. 6. 5.	Dynamic prototype
	25. 6. 6.	Use prototype to add properties to an object
	25. 6. 7.	Modifying Objects: Creating a New Method
	25. 6. 8.	Add method to Array object
	25. 6. 9.	Redefining an Existing Method
	25. 6. 10.	Define a method after object instantiation

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