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JavaScript Training

Posted by admin - 11/11/09 at 02:11 am

Java Script is a scripting language used to enable programmatic access to objects within other applications. It is primarily used in the form of client-side JavaScript for the development of dynamic websites. JavaScript is a dialect of the ECMA Script standard and is characterized as a dynamic, weakly typed, prototype-based language with first-class functions.

What is JavaScript?

  • Capabilities of JavaScript
  • Surveying the limitations

Applications of JavaScript

  • Client-side
  • Server-side
  • Writing JavaScript for several browsers

Fundamentals of JavaScript
The JavaScript programming model

  • Formatting and coding conventions
  • Embedding JavaScript in HTML

JavaScript syntax

  • Declaring variables and arrays
  • Statements, operators and relational expressions
  • Making decisions with if and else
  • Performing loops with while and for
  • Defining and invoking functions

Using built-in objects

  • The String object and string manipulations
  • The Date object
  • Dynamically updating a Web page using the document object
  • Accessing Web page elements

Writing Client-Side JavaScript

  • Creating eye-catching animation and graphics
  • Developing dynamic links
  • Creating rollover graphics
  • Using off-screen images for animation
  • Manipulating images dynamically

Interacting with the browser

  • Utilizing browser objects
  • Using pop-up dialog boxes and prompting users for input
  • Opening, closing and writing to new browser windows
  • Manipulating the contents of frames
  • Writing to the browser status line
  • Determining browser type and version

Handling browser events

  • Trapping the JavaScript event handlers
  • Triggering interaction with user actions
  • Scheduling future tasks with timer events

Using cookies for Persistence

  • How cookies operate
  • Creating, reading and manipulating cookies
  • Implementing personalization with cookies

JavaScript security

  • Denial-of-service and spoofing attacks
  • Security holes and browser policies

Creating Intelligent Forms

Client-side form validation

  • Accessing and modifying form fields with JavaScript
  • Checking form fields on the fly
  • Validating user input without server-side scripts
  • Accessing drop-down select box options
  • Controlling form submission

Enhancing the user experience

  • Validating forms at the earliest opportunity
  • Reducing response times for incorrectly filled-out forms
  • Adding interactivity to forms

Adding interactivity to forms

  • Assigning JavaScript functions to form elements
  • Implementing a drop-down menu for site navigation
  • Performing actions based on form events
  • Form validation best practices

Creating Web Pages Using Dynamic HTML

Overview of DHTML

  • Using Cascading Style Sheets (CSS)
  • Capabilities of DHTML
  • DHTML and the Document Object Model (DOM)

Implementing DHTML

  • Dynamically repositioning elements on a page
  • Dynamically modifying documents
  • Manipulating images
  • Collapsible outlines, dynamic document reflow and inner HTML

Complementary Technologies

  • Controlling Java from JavaScript
  • Interfacing with ActiveX and plug-ins
  • Manipulating PDF files
  • Employing the power of Ajax
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