Overview

Our 3 day Introduction to JavaScript course assumes no prior knowledge of web development or programming and shows delegates how to use JavaScript for special effects, form validation and to add interactivity to web pages.

Course Outline

Basic Concepts

What is JavaScript, Uses of JavaScript, Adding code to an HTML page, Creating a simple script

Syntax essentials

Case sensitivity, Use of semi-colons, Adding comments, White space, Strings and variables, The use of functions, Naming conventions, Reserved words

Programming structures

Declaring variables, Assigning values to variables, Arithmetic operators, Comparison operators, If - else statements, Switch statements, For loops, While loops, Declaring functions, Calling functions

Built-in functions

Using arrays, Pop-up message boxes , Alert boxes, Confirm boxes, Prompt boxes, Capturing user input

Objects, DOM and events

Properties and methods, Creating objects, The String object, The Date object, The document object model, The navigator object, The document object, What are events, Creating event handlers, Mouse events, Events used with forms, onLoad and onUnload, Navigator and IE differences

Browser detection

Practical uses of detection, Navigator object properties, Detecting the browser, Detecting the version, Detecting the platform, Using browser information

Rollover effects

Naming images, Swapping images on rollover, Restoring the original image, Swapping more than one image, Preloading images

Form validation

The form object, Form elements, Preventing empty fields, Checking for email addresses, Counting digits, Checking for numeric values, Restricting the range of values

Pop-up windows

Elements of windows, Opening a window, Closing a window, Specifying window attributes