HTML5 Canvas Drag-and-Drop
The HTML5 canvas element creates a sketchpad area on a webpage where you can use JavaScript to draw 2D shapes, graphics, animations, render bitmap images, and even create online presentations and build dynamic browser games. In this article you'll learn how to use drag-and-drop in your canvas projects. 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 ...
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 ...
Java Script Code to Factor Numbers
Being able to factor numbers is an important skill, one that is necessary to work with equations, fractions and polynomials. In this article, I show you how to use Java Script to factor a number, therefore you will learn a little mathematics and a little programming at the same time. More ...
Create Your Own Database Using Only Notepad : CDV
In this article you learn how to create a database using only a basic text editor along with any web browser. You won't believe how simple and powerful this method is. The database we design will have powerful features. More ...
Put Commas in Your Java Script Calculators
Writing large numbers with the digits in groups of three make the numbers easier to read. In this article you'll learn how to code calculator applications that will accept the entry of numbers with commas, and return results with commas. More ...
Let Your Web site Visitors Set Font Size
In this article, you'll learn that it requires only a few lines of Java Script to let the visitors to your Web site control the font size. You'll also learn how to use a cookie to store their preference on their computer. More ...
Creating Basic Java Script Functions
In this article you learn how to create basic Java Script functions. You learn how to use parameters and how to return values, including how to return an array from a function. The article also intoduces variable scope. More ...
Code to Block the Ad Blockers
I don't believe webmasters should have to work for free, and viewing a few banners is a very low cost for information that webmasters worked hard to research and prepare. In this article I provide code to boot ad blocker users off your Web site. More ...
Including Special Characters in a JavaScript String
In JavaScript you define a string by placing its characters within double quotes. More ...
Make Your Own Graphical Digital Clock
One of the most fun, interesting, and educational things you can do with Java Script is to make your own image-based digital clock. The fun part is selecting or creating your own images for the digits and other graphical elements of the clock. You can use 3D digits, digits that look like baby blocks, or digits made out of animals. More ...
Java Script Code for a Random Circle Generator
Have you seen some Web content that uses a group of several different size and color circles as a decoration? In this article I'll show you how to use a bit of Java Script code to draw a group of random size and color circles. More ...
