JavaScript Objects (Functions Again) 0

A function is a first-class

JavaScript Object

• Functions are a bit like Java methods

>       They have arguments and return values

• A function is a first-class object in JavaScript (unlike in Java)

>      Can be considered as a descendant of Object

>      Can do everything a regular JavaScript object can do such as storing properties by name

>       Function objects can have other function objects as methods

A function can take Variable arguments

• You can call myfunction() or myfunction(20)

function myfunction(value){

if (value){ this.area=value;

}

return this.area;

}