JavaScript: Advanced Browser Scripting and DHTML

Overview/Description
JavaScript allows developers to use browser scripting techniques to detect code or user-entry errors, and to dynamically add interactivity to web sites. This course explores and demonstrates how to use JavaScript to incorporate error handling techniques into your programs as well as enhance the interactivity of the user experience using DHTML. Specific topics covered include JavaScript error handling, client-side form validation, cookies, and DHTML. 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: Advanced Browser Scripting and DHTML

recognize how to create and catch exceptions using throw statements

recognize how to complete a basic try...catch block

recognize how to verify that required fields have been modified

recognize how to validate user input using pattern matching

associate form validation approaches with their advantages and disadvantages

recognize how to create a cookie and set specific attributes

recognize how to retrieve the value of a cookie

validate form information on the client side

set a cookie based on information from a given form

use a try...catch statement to detect and handle errors in a given scenario

retrieve the value of a cookie

recognize how to script DHTML that will handle events in any major browser

recognize the effect of various style declarations in CSS

recognize the implications of using a given approach for defining a CSS style

recognize how to retrieve an HTML element and modify its CSS style using DHTML

predict an element's appearance based on its CSS definitions

define a DHTML event handler that is cross-browser compatible

use DHTML to change the appearance of an element