JavaScript: Most Popular Articles

Using window.onload
Using window.onload Join the Discussion Questions? Comments? Some scripts require that you run something

Modal Windows
Modal Windows Join the Discussion Questions? Comments? Related Resources Modal Dialog Box Creating a

Final Javascript Quiz
Learn Javascript Final Javascript Quiz Tutorials Object Oriented Javascript Defining Classes Putting

Drop Down Menu
Drop Down Menu 1. Introduction and Sample Join the Discussion Questions? Comments? More of this Feature

Validate Radio Buttons
Radio Button Validation 4. Validation Join the Discussion Questions? Comments? More of this Feature Introduction

Modal Dialog Box
Modal Dialog Box Part 1 : Introduction and Sample Page More of this Feature Obtain the Script Use the

The Javascript Tooltip
This is a Javascript Tooltip Please visit my site Extended Tooltip 1. Introduction and Sample Join the

Radio Button Validation
Radio Button Validation 1. Introduction Join the Discussion Questions? Comments? More of this Feature

Javascript and XHTML
Javascript and XHTML Join the Discussion Questions? Comments? With HTML pages on the web you can just

document.write
document.write Join the Discussion Questions? Comments? A lot of people, particularly those first starting

Passing Parameters Via Query Strings
Passing Parameters Via Query Strings 1. Write Querystrings Join the Discussion Questions? Comments? More

Print Button
Print Button Join the Discussion Questions? Comments? You can easily add a print button or link to your

Radio Button Labels
Radio Button Validation 3. Button Labels Join the Discussion Questions? Comments? More of this Feature

Regular Expressions
Regular Expressions Introduction Join the Discussion Questions? Comments? Related Articles Email Validation

No Right Click Script
No Right Click Script Join the Discussion Questions? Comments? Related Resources View Source Bookmarklet

Creating a Combo Box
Site Navigation 7. Combo Box Join the Discussion Questions? Comments? More of this Feature Introduction

Defining Radio Buttons
Radio Button Validation 2. Defining the Buttons Join the Discussion Questions? Comments? More of this

Mouse Cursor Position
Mouse Cursor Position Join the Discussion Questions? Comments? Until recently there was no standard way

Using Modal Dialog Box Javascript
Modal Dialog Box Part 3 : Use the Script More of this Feature Introduction and Sample Obtain the Script

The CASE Statement
Learn Javascript The CASE Statement Join the Discussion Questions? Comments? More of this Tutorial The

Function to Read Parameters Passed Via Query Strings
Passing Parameters Via Query Strings 2. The Read Function Join the Discussion Questions? Comments? More

The Tooltip Script
Extended Tooltip 2. The Script Join the Discussion Questions? Comments? More of this Feature Introduction

Javascript Format and Colour
\ Javascript Formatter Join the Discussion Questions? Comments? Related Articles Javascript Compressor

Passing Parameters
Learn Javascript Passing Parameters Join the Discussion Questions? Comments? More of this Tutorial Functions

Common Javascript Errors
Commonly made Javascript errors and how to find them

Modal Dialog Box Javascript
Modal Dialog Box Part 2 : Obtain the Script More of this Feature Introduction and Sample Use the Script

Five Most Common Coding Errors
The five worst pieces of code that people use with Javascript and which you ought to avoid.

Javascript 101
Want to use Javascript on your web pages? There are several alternatives.

Calendar Popup Script
Calendar Popups 1. The Calendar Script Join the Discussion Questions? Comments? More of this Feature

Hex to Decimal and Decimal to Hex
Hex to Decimal and Decimal to Hex Join the Discussion Questions? Comments? A number of computer related

Disable Form Fields
Disable Form Fields Join the Discussion Questions? Comments? Sometimes when you have a form for your

Back Button
Back Button or Link Join the Discussion Questions? Comments? So you would like to put a link on your

Date and Time
Learn Javascript Date and Time Join the Discussion Questions? Comments? More of this Tutorial Mathematical

Countdown Timer
Countdown Timer 1. Introduction and Sample Join the Discussion Questions? Comments? More of this Feature

getElementsByTagName
The Javascript DOM 7. getElementsByTagName Join the Discussion Questions? Comments? More of this Feature

Drop Down Menu Head Script
Drop Down Menu 2. Head Script Join the Discussion Questions? Comments? More of this Feature Introduction

Target Window or Frame
Target Window or Frame Join the Discussion Questions? Comments? With an ordinary HTML link using the

Date Validation
Validate dates in forms with this Javascript routine for validating dates.

Analog Clock Script
Analog Clock 1. Introduction Join the Discussion Questions? Comments? More of this Feature The Head Script

getElementById
The Javascript DOM 3. getElementById Join the Discussion Questions? Comments? More of this Feature Introduction

Page Events
Learn Javascript Page Events Join the Discussion Questions? Comments? More of this Tutorial Form Events

setTimeout or setInterval
setTimeout or setInterval Join the Discussion Questions? Comments? Glossary setTimeout setInterval The

Defining Tooltips
Extended Tooltip 3. Defining Tips Join the Discussion Questions? Comments? More of this Feature Introduction

Alert and Confirm
Learn Javascript Alert and Confirm Join the Discussion Questions? Comments? More of this Tutorial Comments

Country Selection Form
Country Selection Form Join the Discussion Questions? Comments? When you are creating a form, you often

Bulletin Board / Forum Code Converter
Bulletin Board / Forum Code Converter Join the Discussion Questions? Comments? At some stage you will

Sliding Menu
Part 2: The Script Part 3: Make Your Menu M EN U Sliding Menu 1. Introduction and Sample Join the Discussion

browser window script in action
Browser Window Size and Position 2. Sample Join the Discussion Questions? Comments? More of this Feature

Basic Popup Windows
Popup Windows 1. Basic Popup Windows Join the Discussion Questions? Comments? With HTML you can open

Defining Classes
Learn Javascript Defining Classes Join the Discussion Questions? Comments? More of this Tutorial Object

Collapsible Menu HTML
Collapsible Menu 4. Adding Menus Join the Discussion Questions? Comments? More of this Feature Introduction

Countdown Timer Script
Countdown Timer 2. The Timer Script Join the Discussion Questions? Comments? More of this Feature Introduction

responseText and responseXML
Introduction to Ajax 8. responseText and responseXML Join the Discussion Questions? Comments? More of

Credit Card Validation
Validate credit card numbers in forms with this Javascript routine for validating the length and check digits.

Image Zoom
Image Zoom Join the Discussion Questions? Comments? How would you like to offer visitors to your web

Drop Down Menu Customize Script
Drop Down Menu 3. Customize the Menu Join the Discussion Questions? Comments? More of this Feature Introduction

Hiding Your Email Address
Hiding Your Email Address Join the Discussion Questions? Comments? Related Resources Email Address Validation

getElementsByClassName
The Javascript DOM 8. getElementsByClassName Join the Discussion Questions? Comments? More of this Feature

Adding Validation to the Submit Button
Validate on Submit 2. Submit Button Join the Discussion Questions? Comments? More of this Feature Why

Drop Down Lists
Site Navigation 1. Introduction Join the Discussion Questions? Comments? More of this Feature Drop Down

Form Field Validation
What form fields require validation and when should you validate them.

Alphabetic and Numeric Validations
Alphabetic and Numeric Join the Discussion Questions? Comments? Related Resources Mandatory Fields Javascript

Linking to Tooltips
Extended Tooltip 4. Linking to Tips Join the Discussion Questions? Comments? More of this Feature Introduction

Disable No Right Click Scripts
Disable No Right Click Scripts Join the Discussion Questions? Comments? Related Resources View Source

Print Directly to Printer
An explanation of some of the reasons why Javascript can't print a page without the print dialog popping up.

First Javascript Quiz
Learn Javascript Javascript Quiz One Tutorials Getting Started Hello World Defining Variables Operators

removeChild
The Javascript DOM 9. removeChild Join the Discussion Questions? Comments? More of this Feature Introduction

What Version of Javascript
What Version of Javascript Join the Discussion Questions? Comments? Glossary Javascript ECMAscript Javascript

Email Address Validation
Validate email addresses in forms with this Javascript routine for validating email addresses.

innerHTML
The Javascript DOM 6. innerHTML Join the Discussion Questions? Comments? More of this Feature Introduction

Form Events
Learn Javascript Form Events Join the Discussion Questions? Comments? More of this Tutorial Page Events

Reserved Words
Reserved Words The following are Reserved Words in Javascript. This list of reserved words includes several

Popup Window Reference
window.open Reference The window.open command takes the following format: var newWin = window.open(url,winName,features,replace);

undefined
JavaScript Glossary definition for: undefined

Defining Variables
Learn Javascript Defining Variables Join the Discussion Questions? Comments? More of this Tutorial Getting

Event Calendar Javascript
Event Calendar 2. Get the Javascript Join the Discussion Questions? Comments? More of this Feature Introduction

Rollover Gallery Sample
Rollover Gallery 1. Introduction and Sample Join the Discussion Questions? Comments? More of this Feature

insertBefore
The Javascript DOM 12. insertBefore Join the Discussion Questions? Comments? More of this Feature Introduction

Event Calendar
Event Calendar 1. Introduction Join the Discussion Questions? Comments? More of this Feature Javascript

Making the Calendar Popup
Calendar Popups 2. Which Calendar Join the Discussion Questions? Comments? More of this Feature The Script

JavaScript Execution Order
What order des JavaScript run its code in?

Addslashes and Stripslashes
Addslashes and Stripslashes Join the Discussion Questions? Comments? If you are used to programming your

Read Parameters Passed Via Query Strings
Passing Parameters Via Query Strings 3. Read Querystrings Join the Discussion Questions? Comments? More

Parsing XML
Introduction to Ajax 11. Parsing XML Join the Discussion Questions? Comments? More of this Feature XMLHttpRequest

Customising Extended Tooltips
This is another Javascript Tooltip Extended Tooltip 5. Customising Tips Join the Discussion Questions?

Variable Scope
Learn Javascript Variable Scope Join the Discussion Questions? Comments? More of this Tutorial Functions

Drop Down List Validation
Drop Down List Validation Join the Discussion Questions? Comments? Validation of dropdown lists is fairly

obtain browser window functions
Browser Window Size and Position 3. Obtain the Script Join the Discussion Questions? Comments? More of

Numbers to Words
Numbers to Words Join the Discussion Questions? Comments? Related Articles Formatting Numbers Roman Numerals

Mouseover Script
Mouseover Script 1. Instructions More of this Feature Generator Form Mouseover Links One of the most

Obtaining Your Visitor's IP Address
Obtaining Your Visitor's IP Address Join the Discussion Questions? Comments? JavaScript itself has no

Resizing Popup Window
When you reuse the same popup window you may need to resize it.

Email Address Validation Sample
Email Address Validation 1. Introduction and Sample Join the Discussion Questions? Comments? More of

Quiz Script Generator
Multiple Choice Quiz Maker 1. Question/Answer Script Join the Discussion Questions? Comments? More of

Validate Text Fields
Text Field Validation Join the Discussion Questions? Comments? Related Resources Tutorials Text fields

Getting Started
Introduction to a series of tutorials on programming with JavaScript

Combo Box Navigation
Site Navigation 8. Combo Navigator Join the Discussion Questions? Comments? More of this Feature Introduction

Drop Down Menu Body Script
Drop Down Menu 4. Body Script Join the Discussion Questions? Comments? More of this Feature Introduction

Collapsible Menus
Collapsible Menu 1. Introduction Menus + Collapsible Head Script Stylesheet Add Menus + Dropdown Introduction

Sliding Menu Script
Part 2: The Script Part 3: Make Your Menu M EN U Sliding Menu 2. Obtain the Script Join the Discussion

Prebuilt
Easy tests to determine if pre-built scripts have been properly tested by their author

Calendar Generator
Create the HTML code for a calendar to add to your page

Page Encryption Script - Decryptor
Web Page Encryption 1. Custom Decryptor Script Join the Discussion Questions? Comments? More of this

Javascript Glossary
Javascript Glossary Glossary terms are listed in alphabetical order. Please select the first letter of

Copy and Paste
Copy and Paste Join the Discussion Questions? Comments? To be able to incorporate pre-built Javascripts

Cross Browser Ticker/Marquee Script
Cross Browser Ticker/Marquee 2. Obtain the Script Join the Discussion Questions? Comments? More of this

Miles and km with the Time/Distance Calculator
Distance Calculator with Times 4. Miles and Kilometres Join the Discussion Questions? Comments? More

Vertical Scroller Script
Vertical Scroller 2. Obtain the Script Join the Discussion Questions? Comments? More of this Feature

Random Array Sort
Random Array Sort Join the Discussion Questions? Comments? Related Resources Numeric Sort Ignore Case

Formatting Numbers
Formatting Numbers Join the Discussion Questions? Comments? When you are processing numbers with javascript

Email Address Validation Script
Obtain a script to validate email addresses in forms.

Hello World
Learn JavaScript Hello World Join the Discussion Questions? Comments? More of this Tutorial Getting Started

Display Random Image or Quote
Display Random Image or Quote Join the Discussion Questions? Comments? Related Pages Tip Script Generator

Functions
Learn Javascript Functions Join the Discussion Questions? Comments? More of this Tutorial Variable Scope

Enhanced Suckerfish Menu
Enhanced Suckerfish Menu 1. Introduction and Sample Join the Discussion Questions? Comments? More of

String Processing
Learn Javascript String Processing Join the Discussion Questions? Comments? More of this Tutorial Date

Rollover Gallery Script
Rollover Gallery 2. Obtain the Script Join the Discussion Questions? Comments? More of this Feature Introduction

One Radio Button Multiple Values
One Form Field with Multiple Values 1. Radio Buttons Join the Discussion Questions? Comments? Related

Quiz Maker 1 Body Script
Quiz Maker 1 Script 1. Quiz Body Script Join the Discussion Questions? Comments? More of this Feature

Last Day of Month
Last Day of the Month Join the Discussion Questions? Comments? There are various times when you are doing

Thumbnail Image Popups
Popup Windows 8. Thumbnail Image Popups Join the Discussion Questions? Comments? More of this Feature

Open an AJAX Request
Introduction to Ajax 2. Open Request Join the Discussion Questions? Comments? More of this Feature XMLHttpRequest

The IF Statement
Learn Javascript The IF Statement Join the Discussion Questions? Comments? More of this Tutorial The

External Javascripts
Learn Javascript External Javascripts Join the Discussion Questions? Comments? More of this Tutorial

Object Oriented Javascript
Learn Javascript Object Oriented Javascript Join the Discussion Questions? Comments? More of this Tutorial

min-width and max-width for IE6
min-width and max-width for IE6 Join the Discussion Questions? Comments? The two basic choices that you

The WHILE Loop
Learn Javascript The WHILE Loop Join the Discussion Questions? Comments? More of this Tutorial The FOR

Follow the Mouse Sample
Follow the Mouse 1. Introduction Join the Discussion Questions? Comments? More of this Feature Obtain

Second Javascript Quiz
Learn Javascript Javascript Quiz Two Tutorials The IF Statement The Case Statement This short quiz will

Obtain the Analog Clock Head Scripts
Analog Clock 2. The Head Script Join the Discussion Questions? Comments? More of this Feature Introduction

What Javascript Can Not Do
There are a few things that the Javascript programming language does not let you do

Collapsible Menu Stylesheet
Collapsible Menu 3. The Stylesheet Join the Discussion Questions? Comments? More of this Feature Introduction

Drop Down Navigation
Site Navigation 2. Drop Down Navigation Join the Discussion Questions? Comments? More of this Feature

Browser Detection
Browser Detection Join the Discussion Questions? Comments? One rather interesting statistic that you

Deleting Cookies
Deleting Cookies Join the Discussion Questions? Comments? More About Cookies Writing Cookies Reading

replaceChild
The Javascript DOM 13. replaceChild Join the Discussion Questions? Comments? More of this Feature Introduction

Hide Until Page Finishes Loading
Web Page Animation 2. Hide Until Page Loaded Join the Discussion Questions? Comments? More of this Feature

Mandatory Fields
Mandatory Fields Join the Discussion Questions? Comments? The simplest field validation is to test a

Comments
Learn Javascript Comments Join the Discussion Questions? Comments? More of this Tutorial Alert and Confirm

Vertical Scroller
Vertical Scroller 1. Introduction and Sample Join the Discussion Questions? Comments? More of this Feature

Image Protection
Image Protection Join the Discussion Questions? Comments? More of this Feature How to Use this Form Using

The FOR Loop
Learn Javascript The FOR Loop Join the Discussion Questions? Comments? More of this Tutorial The WHILE

Escape
JavaScript Glossary definition for: Escape

Introduction to AJAX
Introduction to Ajax 1. XMLHttpRequest Join the Discussion Questions? Comments? AJAX (Asynchronous Javascript

ClearTimeout
JavaScript Glossary definition for: ClearTimeout

Cross Browser Ticker/Marquee Example
Cross Browser Ticker/Marquee 1. Introduction and Sample Join the Discussion Questions? Comments? More

The Javascript DOM
The Javascript DOM 1. Introduction Join the Discussion Questions? Comments? The Document Object Model

Finding and Fixing Errors
Learn Javascript Finding and Fixing Errors Join the Discussion Questions? Comments? More of this Tutorial

Pattern Matching
Regular Expressions 1. Pattern Matching Join the Discussion Questions? Comments? More of this Feature

Body Fat Calculator
Body Fat Calculator 1. Introduction and Sample Join the Discussion Questions? Comments? More of this