Clarify Gecko vs JavaScript engine wording in JIT statement - #40904
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@AyaanB24 LGTM, thanks!
BTW, where did we discuss this one? If you have an issue number, can you edit the description to include a line "Fixes "? Once that is done, merging this PR will then close the issue automatically.
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Fixes #40901
Description
Rephrased a sentence in the Performance Fundamentals guide to clarify that JIT compilation is supported by the JavaScript engine used by Gecko, not Gecko itself.
Motivation
The previous wording could mislead readers into thinking that Gecko itself is a JavaScript engine. This clarification ensures technical accuracy and prevents confusion about the role of Gecko versus its JS engine.
Additional details
No additional references required. It is documented as Gecko's JavaScript engine.