JavaScript Introduction

Goals

Learn the JavaScript programming techniques required when developing interactive features for your Web site: using data input in forms, reacting to user’s actions, manipulating images.

Prerequisite

This training is open to new programmers, but it is better to have some experience in programming language.

Contents

Introduction

• Inserting a script
• Creating HTML components with a script
• Learn about alert messages and dialog boxes

The JavaScript environment

• Understand objects and their hierarchy
• Events and event manager
• Creating and using a function

Manipulating forms

• Change the content of a text field
• Submit form’s data

Loops and conditional tests

• Comparing values
• Using multiple alternatives
• Learn about shorthand conditional syntax
• Repeat an instruction with a loop
• Stop a loop.

Numbers and Strings

• Converting a string, an integer, a number
• Generating random numbers
• Calculating arithmetic operations and rounding

In the Window

• Reacting to page loading
• Scrolling
• Showing a message in the status bar
• Changing the destination of a link
• Changing the URL

Images

• Creating interactive buttons
• Using an event to change an image
• React when the mouse cursor hovers over an image map

Dates

• Show the current date
• Manipulating dates and creating a clock

Windows

• Open a new window
• Create a floating navigation bar