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 ...
JavaScript Cookbook
JavaScript Cookbook is chock-full of code recipes that address common programming tasks, as well as techniques for building web apps that work in any browser. Just copy and paste the code samples into your project. More ...
Introduction to JavaScript Programming
JavaScript is a wonderful little programming language. It's a client-side, meaning it runs right on your local computer, not on the web server, and it's a scripting language meaning
it's run by an interpreter. 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 ...
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 Graph Generating Code
If you want to display a graph on your web page, you could use a graphics program to draw the graph, but that's time consuming and the resulting graph is static, it can't change or grow. In this article I will show you how to generate graphs using JavaScript. 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 ...
Calculate The Points of an Equilateral Triangle
Starting an equilateral triangle is easy, you just draw a line. However, drawing the third point to create an exact equilateral triangle requires a bit of calculation. More ...
Regular Expressions Subexpressions
In this article you learned how to use subexpressions to rearrange matches in a regular expression and how to replace the value of a subexpression match in the results. More ...
Four Ways to Use Java Script Event Handlers
Almost everything on a webpage is an "object". Almost all objects can respond to an event. You can control what an object does in response to an event by creating an event handler. In this article, you'll learn four different ways to connect an event handler to an event. 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 ...
Code for Java Script Cube / Box Volume Calculator
In this article I'll show you how to use to Java Script to create a Cube / Box Volume calculator. With this calculator, the user inputs the side dimension of a cube or the height, width and length of a box, and the calculator will return the volume. I'll explain everything in detail so that you can learn Java Script and modify the code for your own purposes. More ...
