How to Place Image on HTML5 Canvas
The canvas element is a webpage container for graphics. You can use JavaScript to draw graphics within the canvas element. In this article to learn how to place an image on a canvas with example code. More ...
Code for Java Script Circle/Sphere Calculator
In this article you learn how to use to Java Script to create a Circle/Sphere calculator. The user enters the radius of a circle or sphere, and the calculator returns the area, circumference, surface area, and volume. The process for coding any calculator can be broken down into a step-by-step procedure. 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 ...
Easy JavaScript FileReader Code
The JavaScript FileReader object allows web pages to read files stored on the user's computer. Files may be selected using the input element, or selected with a drag and drop operation. More ...
Regular Expression Basics : How many Matches?
A Regular Expression (regex) is a sequence of characters that define a pattern that allows you to search, match, locate, replace, manipulate, and manage text. In this article you'll learn how to use regular expressions to count the number of matches. More ...
Easy Animated Banners with Java Script
In this article, I will show you how to use Java Script to create an animated banner. Using Java Script allows you to edit or replace images in the animation sequence, and change the amount of time each image is displayed without doing any recompiling. 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 to Shuffle the Deck With Java Script
In this article, you learn how to get and set a webpage element's z-index. The example code provided used these principles to shuffle a small deck of playing cards by clicking or double-clicking on their images. You might use this information to create your own webpage card game, or for some other interesting application. More ...
JavaScript Variable Scope
Understanding variable scope is very important, because if you don't use scope properly, you could end up with unexpected results and a very confusing bug. The scope of a variable refers to the parts of the code from which it's visible. More ...
Easy Expanding Banner Code
Instead of using "in your face" skyscraper or double-wide banners, you can make a standard banner that expands to show more information. In this article, I provide you with easy code to create several different kinds of expanding banners. More ...
JavaScript Code to Save and Load a Table Using HTML5 Web Storage
HTML5 brings us web storage, providing methods to store keyword/value data pairs in the user's browser. This example gives you JavaScript Code to allow user's to save and load a table using Web Storage. 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 ...
