Easy Code for Date Count Down
One of the most powerful incentives for people to make a purchase is scarcity, and one of the most popular ways to create scarcity is have a "limited time" offer. Web pages that present a limited time offer always have a count down timer to let you know how much time is left. More ...
JavaScript Code to Add or Remove Specific Elements of an Array
Arrays are very useful in programming because they can be used like a data base. In this article you learn JavaScript with code examples to add or remove specific elements of an array. More ...
JavaScript to Set Checkbox to Readonly
The HTML checkbox element does not have a readonly attribute. This example provides a very simple work around that might help you solve the checkbox readonly problem in your own application. 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 ...
Basic State Machines
A State Machine is a program, logic circuit, or mechanical device, that has a finite number of legal states. For example a traffic control signal can be red, yellow, or green. It can't be red and green. It can't be violet. More ...
Password Protection Using the Frames Method
One method of password protecting your webpages is to use a cookie, but cookies are unreliable. If you can't trust a cookie to store the information that the user is logged in, where can you store it? In this example I'll show you how to use frames for JavaScript password security. More ...
HTML5 Canvas lineCap and lineJoin Attributes
The HTML5 canvas element is a webpage container for graphics. You can use JavaScript to draw within the canvas element. In this article to learn how to draw lines with round or square end caps and how to specify that where two lines join the joint should be miter, round or beveled. More ...
Java Script to Get Selected Item from Drop-down Select List
An HTML Select list is a form control used to create a drop-down list of items from which the user can select. This article provides code to get the selected item from a select list. 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 ...
JavaScript to Add and Remove Rows and Cells from a Table
If you need a client-side application where you have a table that you want to enable the user to add and remove rows and cells, this article provides you with JavaScript code to easily accomplish that. 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 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 ...
