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Changes
→Playing with TraceMonkey: updating for 2009.
== Playing with TraceMonkey ==
TraceMonkey is currently available and ''enabled by default'' for testing in stable 32-bit Firefox 3.5+ and [ftp://ftp.mozilla.org/pub/firefox/nightly/latest-trunk/ nightly builds]. If you want to modify the types of JavaScript that are executed using TraceMonkey:
* open a new tab;
* type “'''about:config'''” and hit enter;
* change the value of “'''javascript.options.jit.chrome'''” to enable (true) and disable (false) TraceMonkey for JavaScript in XUL/chrome.
If you experience instability, please [http://bugzilla.mozilla.org file a bug] and reference any crash report ID that might be relevant. As of 2009, only nightly 64-bit builds have TraceMonkey available.
== Hacking on TraceMonkey ==
