how to color horizontal (or vertical?) grid lines in chart.js

small charting library, 10kb gziped/over-the-wire

This article will perform a basic overview of this process by showing how to write an interpreter for a simple language that we can use for a calculator application.

If you get a message like this during "yum install js-devel": No package js-devel available. Nothing to do you may need to add a yum repository.

quick walkthrough of installing and using SpiderMonkey JavaScript engine (FF's engine) in PHP

example (and benchmarks) of using PHP's PECL v8 extension

An embeddable code editor written in JavaScript. Can be easily embedded in any web page. (Fully customizable key bindings including vim and Emacs modes -- neat.)