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 ...
Let Your Web site Visitors Set Font Size
In this article, you'll learn that it requires only a few lines of Java Script to let the visitors to your Web site control the font size. You'll also learn how to use a cookie to store their preference on their computer. More ...
Easy Code to Sort a Table by Column
A Table is a powerful way to present information. You can make your table even more powerful by giving users the ability to sort it by different columns. In this article, I give you some simple Java Script code that you can use to make almost any table sortable by different columns. 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 ...
Replace Drop-down with Drag-and-drop
From a webpage designers point of view, drop-down lists require a lot of html tags. Wouldn't it be nice if you could just let the user drag-and-drop text into a simple text box. You can! More ...
How Far Did the User Scroll?
In this article you learn how to use Java Script to determine how far a user scrolled your webpage before leaving, and how to log this data on the server with an example using ASP. More ...
How to Shuffle the Deck With Java Script
In this article, you learn how to get and set a webpage element's z-index. The example code provided used these principles to shuffle a small deck of playing cards by clicking or double-clicking on their images. You might use this information to create your own webpage card game, or for some other interesting 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 ...
JavaScript to Generate a Random Number Between X and Y
You can use the JavaScript Math object's .random() method to generate a random number between two values, it returns a random floating-point number between 0 and 1 so you'll need to perform additional operations on it to scale it. More ...
Java Script Math Object Trigonometric Methods
This article describes the Java Script Math object .sin, .cos, and .tan methods along with how to convert degrees to radians and how to set the number of digits to the right of the decimal point. 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 ...
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 ...
