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##n.Prototype, prototype, blueprint

Plural: prototypes

javascript prototype attribute syntax

What is the prototype attribute?

#The prototype attribute is a function-specific attribute and is also the prototype object of the function. The attributes and methods added to the prototype object can be inherited by objects after new is instantiated.

Function:The prototype attribute gives you the ability to add properties and methods to an object.

Syntax: object.prototype.name=value

javascript prototype attribute example

<html>
<body>

<script type="text/javascript">

function employee(name,job,born)
{
this.name=name;
this.job=job;
this.born=born;
}

var bill=new employee("Bill Gates","Engineer",1985);

employee.prototype.salary=null;
bill.salary=20000;

document.write(bill.salary);

</script>

</body>
</html>

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