Course Length

4 hours

»	Details below

 
 
 

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Languages

English  

Who Can Benefit

Java developers who create web applications and web application developers familiar with other object-oriented languages  

Prerequisites

• Write Java applications
• Write a simple web page using HTML

 

Skills Gained

• List significant differences between the syntax and semantics of the JavaScript language and the Java language
• Avoid bugs caused by ignorance of the differences between objects in the prototype-based JavaScript language and the class-based Java language
• Use Object Literals to bring best practice techniques of object-oriented programming to your JavaScript code
• Use constructor functions, instead of class files, to dynamically change the behavior or structure of any object in your JavaScript program
• Leverage prototypal inheritance to mutate objects, including the standard built-in objects, even after they have been instantiated
• Increase the performance and efficiency of your JavaScript code
• Recognize a closure in JavaScript code and explain when you should use a closure

 

Related Courses

Before:

• Java Programming Language (SL-275)
• Web Component Development with Servlet and JSP Technologies (SL-314)

 

Course Content

Module 1 - Overview of the JavaScript Language

• Discuss the history of the JavaScript language and its place in web-based application development
• List multiple implementations of the JavaScript Runtime Engines
• Describe the strengths and weaknesses of the JavaScript language as compared to the Java programming language and other popular programming languages

Module 2 - JavaScript Objects

• Differentiate between a native, built-in and a host object
• Create a new instance of a JavaScript object
• Add new properties to a JavaScript object
• Use Object Literal Notation
• Access Object properties using dot notation and associative array notation
• Create a new instance of a String using formal syntax and Object Literal Notation
• Use the String Length property
• Use the String concatenation operator
• Create a new instance of an array using formal syntax and Object Literal Notation
• Describe how an array's length does not reflect the actual contents of the ArrayCreate instance of a multidimensional array

Module 3 - JavaScript Functions

• Describe functions as JavaScript objects
• Distinguish between the properties of a Function object, and the variables in a Function body
• Discriminate between a Function reference and a Function call
• Describe the unique definition of a method in the JavaScript language
• Use Constructors to create new instances of customized JavaScript objects
• Describe the basic steps to instantiate new JavaScript objects
• Identify which object instance the keyword "this" refers to during the execution of a constructor
• Describe how inheritance in JavaScript is different from inheritance in Java technology
• Use prototypal inheritance to add functionality to objects of a specific type in your program after they have been instantiated
• Determine the scope of any variable in a JavaScript program
• Describe how each function call creates a new activation object for storing the instances of local variables
• Identify when a closure is created in JavaScript code
• Distinguish between a JavaScript scope change and the call stack used in the Java language

Module 4 - The Document Object Model (DOM)

• Describe the relationship between the JavaScript language and the Document Object Model (DOM)
• Identify categories of DOM methods and properties
• Use DOM methods to access parts of a web page
• Use DOM properties to retrieve information about items in a web page
• Use DOM methods to change the structure of a web page
• Use DOM methods to insert or delete items from a web page
• Discuss the usefulness and the potential problems with using the innerHTML property
• Discuss the purpose of cascading style sheets in the context of HTML and the JavaScript language
• Distinguish between W3C-sanctioned DOM objects and those established by convention

Module 5 - Lab Files

 
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