Easy Java Script Form Validation
You can use forms on your website to get information from the visitor. However a user might make an error, or forget and entry in a form. Ignorant and malicious users may deliberately enter trash into your form in an effort to break your application. More ...
Date Picker For Your Web Site
In this article, I give you the code for a date picker calendar and I explain the code in detail so you'll feel comfortable modifying it for your own use. More ...
Easy Slide Show Code With Linked Slides
A slide show sequences through pictures of products. Wouldn't it be nice if the user could stop the slide show, go back to the previous picture, click on the picture to get detailed information about the product? More ...
Java Script Code to Calculate Speed / Distance of Falling Object
In this article you learn how to use Java Script to perform gravity calculations, elapsed time, distance traveled, instantaneous velocity, how to use the onchange event, how to use radio buttons, and much more. More ...
JavaScript Code for Binary to Hexadecimal - Hexadecimal to Binary Conversion
You don't really need JavaScript to convert a binary number to a hexadecimal number, however if you want to create a web application the JavaScript code to convert a binary number to hexadecimal number and to convert a hexadecimal number to a binary number is shown below. 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 ...
Convert Mixed Number to Decimal
Wouldn't it be convenient if the user was allowed to enter mixed numbers into a form rather than having to mentally convert them decimals? This code is designed to accept both decimal and mixed number input. More ...
Easy Java Script Code to Fill Array With Random Numbers
The code I present here might not be the fewest lines possible to fill an array With random numbers, but it is the easiest to understand. 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 ...
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 ...
Easy JavaScript Web Storage Code
In the past allowing web pages to store data on your PC was considered too dangerous. Cookies can not be considered permanent and reliable storage. HTML5 brings us web storage, providing methods to store keyword/value data pairs in the user's browser. 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 ...
