JavaScript: Objects and Object-oriented Programming

Overview/Description
Object-oriented programming is an important feature of JavaScript. This course will explore the advantages and implications of object-oriented programming, and prepare the learner to create and utilize user-defined objects in JavaScript. It will also introduce key objects that are part of the JavaScript language, including String, Math, Number, and Date objects, as well as arrays. The course will survey common methods and contexts for using these native objects. This course is one of a series covering the fundamentals of the JavaScript language.

Target Audience
All organizations or individual consultants with a working knowledge of HTML and basic programming concepts, who intend to use JavaScript with HTML to develop interactive web applications that utilize cross-browser client-side scripting.

Expected Duration (hours)
2.5

Lesson Objectives

JavaScript: Objects and Object-oriented Programming

identify the benefits of object-oriented programming

recognize how JavaScript uses the concepts of extensibility and encapsulation

recognize the basic structure and function of the Object object in JavaScript

recognize how to create and use an object

recognize how the prototype object extends an object

create a constructor function for an object

extend an object using the prototype object

create an object of a particular type

recognize the appropriate String object method to use in a given scenario

recognize how to define elements for an array object

recognize how to use the appropriate array object method to achieve a desired result

recognize how to fill in the appropriate Math method to give a desired result

recognize how to use a method of the Number object to return a given result

recognize how to return a date or time using the Date object

use objects to calculate numerical and date information

use String object methods to check character codes and store data in an array

use Array object methods to process and write selected elements