HomeBrowsersMozilla FirefoxFirefox 3.1: How to Enable the TraceMonkey JavaScript Engine

Firefox 3.1: How to Enable the TraceMonkey JavaScript Engine

TraceMonkey is the magic pill that makes the new Firefox much quicker. Unfortunately, the beta version has this feature disabled. By changing the value of a couple of configuration settings, you can easily enable TraceMonkey and enjoy its speedy goodness.

1. Open Firefox.

2. In the Location Bar, input about:config.

3. Click to get past the warning message that appears.

4. Locate the Preference Name javascript.options.jit.chrome.

5. Double-click the preference and change the value to true.

6. Locate the Preference Name javascript.options.jit.content.

7. Double-click the preference and change the value to true.

Rob Rogers
Rob Rogers
Once a prolific author here on Tech-Recipes, Rob has moved on to greener pastures.
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