XPCOM

From MDC

XPCOM（Cross Platform Component Object Model）是一种跨平台组件模型，是Mozilla技术的核心。其原理与微软的COM技术类似，但与COM不同的是，XPCOM是一种跨平台技术，并支持多种语言绑定（Language Bindings）。也就是说，我们可以使用C++、JAVA、JavaScript、Python、Ruby、Perl等语言来编写组件。而XPCOM的接口（Interface）是用一种叫做XPIDL的IDL（Interface Description Language）来定义的。^[1]

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Using XPCOM in JavaScript without leaking: Using XPCOM in JavaScript (also known as XPConnect) is an environment where memory management issues are not obvious. There are no calls to malloc and free and no reference counting. Despite this, it's easy to write JavaScript code that leaks. It's easy to to write leaky code in any garbage-collected language. But it's even easier in this environment because some of the objects you're dealing with are reference-counted behind the scenes.

XPCOM Glue: The XPCOM Glue allows using XPCOM utility functions and classes, without having a dependency on unfrozen parts of XPCOM (xpcom_core.{dll,so,dylib}).

How to Build an XPCOM Component in Javascript: Quick-start guide for writing JavaScript components

XPCOM Part 1: An introduction to XPCOM: External - If you are looking for new ways to speed development of your applications, or you want to expand the number of platforms that your software supports, you need to take a look at XPCOM.