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JavaScript Open Scripting Architecture (OSA), (originally JavaScript for

OSA, then JavaScript OSA, abbreviated further as JSOSA), is a

discontinued freeware inter-process communication scripting language for

the Macintosh computer.

JavaScript OSA uses the "core language" of the Mozilla implementation of

the JavaScript programming language, (see SpiderMonkey). The language is

used as an alternative to the AppleScript language. Its use is unrelated

to web browser-based scripting. It can be seen as having a similar

function to Microsoft's JScript .NET language on Windows machines, but

with no interoperability between the two languages' system-level

scripting.

• Description

• Alternatives

• References

• External links

The language is identical to Mozilla's core language, with extensions

added via a Core object and a MacOS object. The latter has methods for

obtaining objects that are bound to application software. This is done

via the Apple event messaging system, a part of the Macintosh's

Open Scripting Architecture.

The language was first released in 2001, and was bundled with

Late Night Software's flagship product, Script Debugger. In May 2005, a

new "alpha" version of the language was made available for testing. This

improved second version of the language was bundled with version 4 of

Script Debugger. JavaScript OSA was eventually discontinued due to lack

of interestcite-ref-yosemite-javascript-for-automation-support-1-0[1] and was dropped from Script Debugger 5 in 2012.cite-ref-what-s-new-in-script-debugger-5-0-2-0[2]

OS X Yosemite introduced JavaScript for Automation (JXA): system-wide

support for scripting with JavaScript, built upon JavaScriptCore and the

Open Scripting Architecture.cite-ref-javascript-for-automation-3-0[3] It features an Objective-C bridge which

enables entire Cocoa applications to be programmed in JavaScript.cite-ref-javascript-for-automation-release-notes-4-0[4]

cite-note-yosemite-javascript-for-automation-support-11. ↑ "Yosemite JavaScript for Automation Support". Late Night Software. Retrieved March 22, 2015.

cite-note-what-s-new-in-script-debugger-5-0-22. ↑ "What's New in Script Debugger 5.0". Late Night Software. Retrieved March 22, 2015.

cite-note-javascript-for-automation-33. ↑ "JavaScript for Automation". MacStories. Retrieved August 31, 2014.

cite-note-javascript-for-automation-release-notes-44. ↑ "JavaScript for Automation Release Notes". Apple, Inc. Retrieved August 31, 2014.

• Official website, Late Night Software

• citerefhough2001Hough, Richard (May 11, 2001). "JavaScript and Mac OS".

O'Reilly Media. Archived from the original on October 19, 2014.