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 ...
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 ...
Round a Float to 4 Digits to the Right of the Decimal Point
On the typical PC, Java Script Math object methods can return floating point numbers with up to 16 digits to the right of the decimal point. For most purposes, this kind of accuracy is not required, nor desired, and that many digits causes nothing but confusion. In this article, You'll learn how to round a floating point number to 4 digits to the right of the decimal point. More ...
Working With the Keyboard in Java Script
Using Java Script you can determine which keyboard key the user pressed. You can use this information to block certain keys, to replace a key's character, or to perform an action based upon a specific key being pressed. In this article, I'll provide some basic code for working with the keyboard. 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 ...
Creating Basic Java Script Functions
In this article you learn how to create basic Java Script functions. You learn how to use parameters and how to return values, including how to return an array from a function. The article also intoduces variable scope. More ...
Learn JavaScript Visually
People think JavaScript is hard when trying it out for the first time. This book is for Visual Learners. One page of this visual JavaScript guide can equal one chapter of a conventional book as illustrations can make a world of difference over strictly words on a page. More ...
Regular Expression Position Matching
In this article you how to use regular expressions to match characters at the beginning, end, both beginning and end, or at any specified location in a string. More ...
Binary Subtraction with Example JavaScript Code
The first step in a binary subtraction is to replace the subtrahend with its 2's complement. But many people do this wrong because they don't understand the importance of magnitude. More ...
JavaScript Code to Save and Load a Table Using HTML5 Web Storage
HTML5 brings us web storage, providing methods to store keyword/value data pairs in the user's browser. This example gives you JavaScript Code to allow user's to save and load a table using Web Storage. More ...
JavaScript Cookbook
JavaScript Cookbook is chock-full of code recipes that address common programming tasks, as well as techniques for building web apps that work in any browser. Just copy and paste the code samples into your project. More ...
JavaScript to Copy and Paste Text to the Clipboard
In some applications, rather than the user's selection, you may want to copy the contents of a specific html element to the clip board. Or when the user initiates a Paste, you may want to direct the contents of the user's clipboard to a specific html element on the webpage. Here is the code for this. More ...
