IT:AD:JScript/Glossary

(UP)

Class

There is no class keyword in Javascript – you just use a function to create a named object, and add methods to the object's prototype:

var myClassDefinition = function() {
   this.myField = "A field that belongs to this object/class".
}

//Add methods to the object:
myClassDefinition.prototype.myFunction = function() {return "X:" + this.myField;}

//Instantiate the method:
var myInstance = new myClassDefinition();
//Invoke the method of the instance:
alert (myInstance.myFunction());

More: http://www.phpied.com/3-ways-to-define-a-javascript-class/

Map

A term used for a field-only object, with no methods/behaviour. Usually created on the fly as a argument message/package, to pass around:

 var args = {url : 'whatever', method: 'GET'}
 //invoke a method
 someService.someMethod(args);