Put Commas in Your Java Script Calculators
Writing large numbers with the digits in groups of three make the numbers easier to read. In this article you'll learn how to code calculator applications that will accept the entry of numbers with commas, and return results with commas. 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 ...
JavaScript to Replace All Occurrences of a Substring Within a String
If you have a string with multiple occurrences of a substring within and you want to replace every occurrence of that substring with a different substring, this article provides a simple code example. More ...
HTML5 Canvas JavaScript Code to a Draw Bezier Curve
The HTML5 canvas element allows you to, when you don't need an extremely complex image, not require your webpage to load an image file, but instead to use JavaScript to the draw the graphics on your webpage. More ...
Calculators for Your Website : Decimal to Hexidecimal Converter
It's not easy for most people to convert between decimal and hexadecimal in their head. In this article, I will provide you with Java Script code for a Decimal to Hexidecimal / Hexidecimal to Decimal Converter. More ...
Change the Case of a Character in a String
A common task with JavaScript is to change the case of the first letter in a string, or of an internal letter, or even change the case of an entire string. 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 ...
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 ...
HTML5 and Local Storage
The HTML5 local storage mechanism is a nice replacement for cookies with it you can write up to 5MB of persistent data between multiple pages to a special file on the client computer. More ...
Java Script Code for a Random Circle Generator
Have you seen some Web content that uses a group of several different size and color circles as a decoration? In this article I'll show you how to use a bit of Java Script code to draw a group of random size and color circles. More ...
Java Script Comparison Operators
A comparison operator compares two values and returns the result "true" or "false". For comparing numeric values the operators perform the same as they do in algebra. For comparing character strings each character in the strings are converted to their ASCII values and then a numeric comparison is made. More ...
Easy Java Script Windows
This article gives you the basics of designing, opening, and closing browser windows using Java Script. In future articles, I will show you how to do all kinds of annoying things with windows using Java Script. More ...
