Overview

Array

Comments

Date

Enable

Functions

getElementById

innerHTML

Conditional Statements

if

else

else if

switch

Dialog Boxes

alert

confirm

prompt

Loops

for

for in

for each in

while

do while

JavaScript is enabled.

• Chrome
• Firefox
• Internet Explorer
• Opera
• Safari

1. Click Customize and control Google Chrome (wrench)
2. Click Settings
3. Click Show advanced settings...
4. Under Privacy, click Content settings...
5. Under JavaScript, select Allow all sites to run JavaScript (recommended)
6. Click OK
7. Close Settings tab
8. Reload

1. Click Firefox
2. Click Options
3. Click Content
4. Check Enable JavaScript
5. Click OK
6. Reload

1. Click Tools
2. Click Internet options
3. Click Security
4. Click Custom level...
5. Under Settings, under Scripting, under Active scripting, select Enable
6. Click OK
7. Click OK
8. Refresh

1. Click Opera
2. Click Settings
3. Click Quick Preferences
4. Check Enable JavaScript
5. Reload

1. Click Edit
2. Click Preferences...
3. Click Security
4. Check Enable JavaScript
5. Close window
6. Reload