Calculators For Your Web Site
If you have a Web site where your visitor would find an online calculator very handy, with a little Java Script code you can easily provide a custom calculator right on your Web page. More ...
HTML5 Canvas Storing and Clearing Transformations
With HTML5 Canvas, it's possible to save the current transformation, do some drawing and transforming, and then restore the old transformation. 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 ...
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 ...
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 ...
Replace Drop-down with Drag-and-drop
From a webpage designers point of view, drop-down lists require a lot of html tags. Wouldn't it be nice if you could just let the user drag-and-drop text into a simple text box. You can! More ...
Calculators For Your Web Site : Length Units Converter
In this article, I provide you with Java Script code for a Length Units Converter. For example, your visitor can enter a length in English feet and it will be converted to a length in metric meters. I keep the code as simple as possible. More ...
How to Use HTML5 canvas arc and arcTo Functions
This article describes how to draw arcs using the canvas arc and arcTo functions with example code and an explanation of radians. More ...
Using the Java Script Date Object
When you want to work with a date in Java Script, you need to use the Date object. In this article, you learn how to create a Date object for today, or for any date in the past or future. You learn how to find the difference between two dates, and how to format a date string any way that you desire. You also learn how to validate a date string returned from a text box in a form, which involved an introduction to JavaScript regular expressions. 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 ...
Using a Select List for Navigation
An HTML Select list is a form control used to create a drop-down list of items from which the user can select. You can use a select list as a navigation element by setting each option element's value attribute to the URL of a web site or web page. More ...
Java Script Code to Move Items Between Select Lists
In this article you'll learn how to use Java Script to move items from one select list to a second select list. I'll explain the code in detail so that you'll be able to fully understand and modify it for your own use. More ...
