Tracemonkey to Boost JavaScript Performance in Firefox 3.1

JavaScript has become an increasingly important part of the Web application ecosystem. For years, JavaScript was seen as a hack, a language that was neither standardized nor stable, which could do little more than validate HTML form entries or change images when the mouse cursor hovered over them. Nowadays, however, JavaScript is the key to many of the Web’s most interesting applications, using the “Ajax” paradigm (“Asynchronous JavaScript and XML”). This has led to a renaissance in the use of JavaScript, as well as a flurry of libraries aimed at making it easier to use and cross-browser compatible.