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 ...
Concatenating a String and Another Data Type
To concatinate a string and a number, use the styring concatination operator. This is because JavaScript converts the number to a string. To use the + operator with a number, or numbers that are in string data type requires using parseInt() or parseFloat() to convert the strings to numbers. 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 ...
Java Script to Get Selected Item from Select List Option Group
Since you may have identically named items in multiple optgroups, you need to a way to get the name of the optgroup as well as the name of the option. The code in this article shows you how. More ...
Code to Add Music to Your Webpage
Some people think it's discourteous and annoying to have music playing on your webpage. But, hey, it is your webpage, and it depends upon your websites audience and purpose as to whether music is appropriate. In this article I show you how easy it is to configure music on your webpage. More ...
Java Script Message Boxes
Java Script provides three different types of message boxes that allow you to display a short message to the user, or request a bit of information from the user. If one of these built-in message boxes don't suit your needs, this article shows you how to create your own custom message box. More ...
Easy HTML5 Drag and Drop
In this example I show you how to use HTML5 drag-and-drop to make a nice little application that could be used to teach children which classification different animals belong in. This example includes only the minimal code for the application to work. More ...
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 ...
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 ...
JavaScript Code to Display Wait Cursor While Image Loads
If you have to load a large image or change a large image after the page has loaded you may want to change the mouse pointer to a wait cursor during the image loading time. More ...
Submit Forms Without CGI
There are many reasons why you might not want to use CGI forms on your Web site. For example your web site may be on a free host that does not allow custom CGI scripts. You may want to conserve bandwidth on your Web server. Or maybe you just don?t want the hassle of CGI programming. More ...
Where Did the User Click?
This code creates a webpage with an html div containing the words ONE TWo THREE. A Java Script function uses the event object's clientX and clientY properties to determine which word the user clicked on and displays it in a message box. More ...
