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 ...
Prevent Automated Form Submissions With Java Script
Spammers have robots that search the Web for such forms and when they find one, they use automated programs to submit thousands of spam. Webmasters have developed a method to prevent such abuse. In this article, I show you three different examples of using Java Script to implement this method for your own web form. More ...
Creating Java Script Dynamic or anonymous Functions at Runtime
In Java Script you can code a function at design time, or you can have Java Script write the function code during execution. A function that is created at runtime is called an anonymous or dynamic function. More ...
Easy Fading Text Banner Code
In this article you learn how to create a fading text banner, a fading text banner with several different messages that fade in and out, and a fading image banner with several different image banners that fade in and out. You also learn how to use the document.write method so that you can give a link to others to include your banners in their webpage. 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 ...
Regular Expression: Alternation
In this article you learn how to create an alternation regular expression that will match alternate patterns 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 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 ...
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 ...
Code for Java Script Cylinder / Cone Volume Calculator
In this article I'll show you how to use to Java Script to create a cylinder / cone volume calculator. I'll explain everything in detail so that you can learn Java Script and modify the code for your own purposes. More ...
Allowing Multiple Selections 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. You can allow the user to select multiple items in the list by setting its multiple attribute. 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 ...
