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The following is a changelog for JavaScript 1.8.1. This version was included in Firefox 3.5.

JavaScript 1.8.1 is a modest update syntactically to JavaScript; the main change in this release is the addition of the Tracemonkey just-in-time compiler, which improves performance.

New features in JavaScript 1.8.1

Changed functionality in JavaScript 1.8.1

  • Implicit setting of properties in object and array initializers no longer execute setters in JavaScript. This makes the behavior of setting the values of properties more predictable.

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 Last updated by: fscholz,