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 ...
Easy JavaScript Picture Selector Code
Suppose you want to create a digital photo album to display a group of pictures, but you don't want the page to be too large. One solution would be to display only one full size picture, and the other pictures as small thumbnail images. More ...
Slide Show with Different Size Images
In this article, I explain how to code a slide show that can display different size images without growing and shrinking your web page. I'll explain it in detail so that you can understand and feel comfortable using the code, then you can cut and paste the code into your webpage and modify it for your purposes. More ...
Easy Expanding Menu Code
Having lots of high quality content isn't enough. Visitors must know that the content is there to be had, and it must be easily accessible. In this article, I provide you with simple, straight forward code that creates an expanding menu. 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 ...
Easy Slide Show Code with Mouseover Pause
This article provides easy-to-use cut-and paste code for a Web page slide show, except this example has the extra feature that when the visitor moves their mouse pointer over the image, the slide show image will not change again until they move their mouse pointer off the image. More ...
Regular Expressions Subexpressions
In this article you learned how to use subexpressions to rearrange matches in a regular expression and how to replace the value of a subexpression match in the results. 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 ...
JavaScript Variable Scope
Understanding variable scope is very important, because if you don't use scope properly, you could end up with unexpected results and a very confusing bug. The scope of a variable refers to the parts of the code from which it's visible. More ...
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 ...
Java Script Code to Re-arrange Items in a Select List
In this article you'll learn how to use Java Script to re-arrange items in a 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 ...
Code for Java Script Circle/Sphere Calculator
In this article you learn how to use to Java Script to create a Circle/Sphere calculator. The user enters the radius of a circle or sphere, and the calculator returns the area, circumference, surface area, and volume. The process for coding any calculator can be broken down into a step-by-step procedure. More ...
