Prototype Keyword Gives JavaScript Object Oriented Inheritance
The way JavaScript supports inheritance is not like true object oriented languages like C+. In JavaScript, the prototype keyword allows an object to inherit the properties and methods of another object. More ...
Basic State Machines
A State Machine is a program, logic circuit, or mechanical device, that has a finite number of legal states. For example a traffic control signal can be red, yellow, or green. It can't be red and green. It can't be violet. More ...
Java Script Message Boxes
Java Script provides three different types of message boxes that allow you to display a short message to the user, or request a bit of information from the user. If one of these built-in message boxes don't suit your needs, this article shows you how to create your own custom message box. More ...
Calendars for Your Website
I'll start by showing you how to code a basic calendar that shows the current month with the current day highlighted. Then, how to code a webpage that can display several months simultaneously, and finally, a clickable appointments calendar. More ...
Regular Expressions Lookarounds
In this article you learn how to match a pattern only when it comes after another pattern (or after not that pattern) or only when it comes before another pattern (or before not that pattern). More ...
Java Script Random Password Generator
If you're a webmaster or system administrator, you may need to create many unique passwords. In this article, you'll learn what a good password is and how to generate random passwords with a few simple lines of Java Script code. More ...
Regular Expression Position Matching
In this article you how to use regular expressions to match characters at the beginning, end, both beginning and end, or at any specified location in a string. More ...
Regular Expressions Boundaries
In this article you learn how to controls where a regular expression matches a string, on a word or non-word boundary, at the beginning or end of a string. You also learned about multiline mode. More ...
How Far Did the User Scroll?
In this article you learn how to use Java Script to determine how far a user scrolled your webpage before leaving, and how to log this data on the server with an example using ASP. More ...
JavaScript to Generate a Random Number Between X and Y
You can use the JavaScript Math object's .random() method to generate a random number between two values, it returns a random floating-point number between 0 and 1 so you'll need to perform additional operations on it to scale it. More ...
JavaScript Code to Restrict Keyboard Entries
This article shows you how to restrict the user's keyboard input to a textbox to only the digits 0 and 1. You should to be able to modify the code for your own purposes. More ...
Create a Mouse Click Sound Effect
One way to add to the exerience of visiting your website is to provide sound effects. It's extremely easy to add a click sound when a visitor clicks on a link. More ...
