JS Object

Every thing is An object is real word entity that having state and behavior (properties and method).

Example:- car, Pen,chair, computer

How to creat objects in js

There are three way to create objects that is.

Object literal
Creating instance of Object directly (using new keyword)
By using an object constructor (new keyword)

1) Object Literal in JS

Syntax:

Example:

 <html>
<body>
<script>  
emp={id:10,name:"Kumar Vikram",salary:40000}  
document.write(emp.id+" "+emp.name+" "+emp.salary);  
</script>
</body>
</html>

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2) Using new keyword in JS

Syntax:

Use this syntax create object

Example:

 <html>
<body>
<script>  
var emp=new Object();  
emp.id=01;  
emp.name="Chery";  
emp.salary=50000;  
document.write(emp.id+" "+emp.name+" "+emp.salary);  
</script> 
</body>
</html>

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3) By using an Constructor Object

Object constructor create function with arguments where argument value can be assigned in the current object by using this keyword.

Example:

 <script>  
function emp(id,name,salary){  
this.id=id;  
this.name=name;  
this.salary=salary;  
}  
e=new emp(10,"Deepak Kumar",50000);
document.write(e.id+" "+e.name+" "+e.salary);  
</script>   

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JS Tutorials

JS Object

How to creat objects in js

1) Object Literal in JS

2) Using new keyword in JS

3) By using an Constructor Object