JavaScript Language for Java Developers

JavaScript Language for Java Developers

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

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