Implementation of prototype property in Javascript

Posted Date: 01 Nov 2008	Resource Type: Code Snippets	Category: Javascript
Author: Shanthi M	Member Level: Gold
Rating:	Points: 8

The prototype property allows to add properties and methods to an object.

The following code snippet shows how to implement prototype property using Javascript.


//Paste the code into script tag
function employee(name,age)
{
this.name=name;
this.age=age;
}
var emp=new employee("Shanthi","22");
employee.prototype.qualification=null;
emp.qualification="BE";
document.writeln(emp.name);
document.writeln(emp.age);
document.write(emp.qualification);

Responses

Author: Nitin Mathur 03 Nov 2008 Member Level: Silver Points : 1

Hi
its good information for web developers.
but..
Where is the qualification property in function?
are u missing something?

Thanks

Author: Shanthi M 03 Nov 2008 Member Level: Gold Points : 1

Hai Nitin,
The prototype property allows to add properties and methods to
an object. Here I add the property 'qualification' to the object 'emp' of type 'employee'.

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