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</style><table class="infobox vevent"><tbody><tr><th colspan="2" class="infobox-above" style="background-color:#e0e0e0;">JavaScript OSA</th></tr><tr><th scope="row" class="infobox-label"><a href="Programming_paradigm" title="Programming paradigm">Paradigms</a></th><td class="infobox-data"><a href="Comparison_of_multi-paradigm_programming_languages" title="Comparison of multi-paradigm programming languages">Multi-paradigm</a>: <a href="Object-oriented_programming" title="Object-oriented programming">object-oriented</a> (<a href="Prototype-based_programming" title="Prototype-based programming">prototype-based</a>), <a href="Functional_programming" title="Functional programming">functional</a>, <a href="Imperative_programming" title="Imperative programming">imperative</a>, <a href="Scripting_language" title="Scripting language">scripting</a></td></tr><tr><th scope="row" class="infobox-label">Family</th><td class="infobox-data"><a href="ECMAScript" title="ECMAScript">ECMAScript</a></td></tr><tr><th scope="row" class="infobox-label"><a href="Software_developer" class="mw-redirect" title="Software developer">Developer</a></th><td class="infobox-data organiser"><a href="Late_Night_Software" class="mw-redirect" title="Late Night Software">Late Night Software</a></td></tr><tr><th scope="row" class="infobox-label">First appeared</th><td class="infobox-data">May 11, 2001<span style="display:none"> (<span class="bday dtstart published updated">2001-05-11</span>)</span></td></tr><tr><td colspan="2" class="infobox-full-data"></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="Software_release_life_cycle" title="Software release life cycle">Final release</a></th><td class="infobox-data"><div style="margin:0px;">Final
/ 2012<span style="display:none"> (<span class="bday dtstart published updated">2012</span>)</span></div></td></tr><tr style="display:none"><td colspan="2">
</td></tr><tr><th scope="row" class="infobox-label"><a href="Type_system" title="Type system">Typing discipline</a></th><td class="infobox-data"><a href="Duck_typing" title="Duck typing">duck</a>, <a href="Strong_and_weak_typing" title="Strong and weak typing">weak</a>, <a href="Dynamic_typing" class="mw-redirect" title="Dynamic typing">dynamic</a></td></tr><tr><th scope="row" class="infobox-label"><a href="Scope_(computer_science)" title="Scope (computer science)">Scope</a></th><td class="infobox-data"><a href="Scope_(computer_science)" title="Scope (computer science)">lexical</a></td></tr><tr><th scope="row" class="infobox-label"><a href="Computing_platform" title="Computing platform">Platform</a></th><td class="infobox-data"><a href="Mac_(computer)" title="Mac (computer)">Macintosh</a></td></tr><tr><th scope="row" class="infobox-label"><a href="Operating_system" title="Operating system">OS</a></th><td class="infobox-data"><a href="MacOS" title="MacOS">macOS</a></td></tr><tr><th scope="row" class="infobox-label"><a href="Software_license" title="Software license">License</a></th><td class="infobox-data"><a href="Proprietary_software" title="Proprietary software">proprietary</a> <a href="Freeware" title="Freeware">freeware</a></td></tr><tr><th colspan="2" class="infobox-header" style="background-color: #EEEEEE;">Influenced by</th></tr><tr><td colspan="2" class="infobox-full-data"><a href="AppleScript" title="AppleScript">AppleScript</a>, <a href="JavaScript" title="JavaScript">JavaScript</a>, <a href="ECMAScript" title="ECMAScript">ECMAScript</a></td></tr></tbody></table>
<p><b>JavaScript Open Scripting Architecture</b> (<b>OSA</b>), (originally <b>JavaScript for OSA</b>, then <b>JavaScript OSA</b>, abbreviated further as <b>JSOSA</b>), is a discontinued <a href="Freeware" title="Freeware">freeware</a> <a href="Inter-process_communication" title="Inter-process communication">inter-process communication</a> <a href="Scripting_language" title="Scripting language">scripting language</a> for the <a href="Mac_(computer)" title="Mac (computer)">Macintosh</a> computer.
</p><p>JavaScript OSA uses the "core language" of the <a href="Mozilla" title="Mozilla">Mozilla</a> implementation of the <a href="JavaScript" title="JavaScript">JavaScript</a> <a href="Programming_language" title="Programming language">programming language</a>, (see <a href="SpiderMonkey" title="SpiderMonkey">SpiderMonkey</a>). The language is used as an alternative to the <a href="AppleScript" title="AppleScript">AppleScript</a> language. Its use is unrelated to <a href="Web_browser" title="Web browser">web browser</a>-based scripting. It can be seen as having a similar function to <a href="Microsoft" title="Microsoft">Microsoft</a>'s <a href="JScript_.NET" title="JScript .NET">JScript .NET</a> language on Windows machines, but with no interoperability between the two languages' system-level scripting.
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<div class="mw-heading mw-heading2"><h2 id="Description">Description</h2></div>
<p>The language is identical to Mozilla's core language, with extensions added via a <i>Core</i> object and a <i><a href="MacOS" title="MacOS">MacOS</a></i> object. The latter has <a href="Method_(computer_programming)" title="Method (computer programming)">methods</a> for obtaining objects that are bound to <a href="Application_software" title="Application software">application software</a>. This is done via the <a href="Apple_event" title="Apple event">Apple event</a> messaging system, a part of the Macintosh's <a href="Open_Scripting_Architecture" class="mw-redirect" title="Open Scripting Architecture">Open Scripting Architecture</a>.
</p><p>The language was first released in 2001, and was bundled with <a href="Late_Night_Software" class="mw-redirect" title="Late Night Software">Late Night Software</a>'s flagship product, <a href="Script_Debugger" title="Script Debugger">Script Debugger</a>. 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 interest<sup id="cite_ref-Yosemite_JavaScript_for_Automation_Support_1-0" class="reference"><a href="#cite_note-Yosemite_JavaScript_for_Automation_Support-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> and was dropped from Script Debugger 5 in 2012.<sup id="cite_ref-What’s_New_in_Script_Debugger_5.0?_2-0" class="reference"><a href="#cite_note-What’s_New_in_Script_Debugger_5.0?-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>
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<div class="mw-heading mw-heading2"><h2 id="Alternatives">Alternatives</h2></div>
<p><a href="OS_X_Yosemite" title="OS X Yosemite">OS X Yosemite</a> introduced <a href="JavaScript_for_Automation" class="mw-redirect" title="JavaScript for Automation">JavaScript for Automation</a> (JXA): system-wide support for scripting with <a href="JavaScript" title="JavaScript">JavaScript</a>, built upon <a href="JavaScriptCore" class="mw-redirect" title="JavaScriptCore">JavaScriptCore</a> and the <a href="Open_Scripting_Architecture" class="mw-redirect" title="Open Scripting Architecture">Open Scripting Architecture</a>.<sup id="cite_ref-JavaScript_for_Automation_3-0" class="reference"><a href="#cite_note-JavaScript_for_Automation-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> It features an <a href="Objective-C" title="Objective-C">Objective-C</a> bridge which enables entire <a href="Cocoa_(API)" title="Cocoa (API)">Cocoa</a> applications to be programmed in JavaScript.<sup id="cite_ref-JavaScript_for_Automation_Release_Notes_4-0" class="reference"><a href="#cite_note-JavaScript_for_Automation_Release_Notes-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup>
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<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>
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<li id="cite_note-Yosemite_JavaScript_for_Automation_Support-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-Yosemite_JavaScript_for_Automation_Support_1-0">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">
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</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.latenightsw.com/2014/yosemite-javascript-for-automation-support/">"Yosemite JavaScript for Automation Support"</a>. <i>Late Night Software</i><span class="reference-accessdate">. Retrieved <span class="nowrap">March 22,</span> 2015</span>.</cite></span>
</li>
<li id="cite_note-What’s_New_in_Script_Debugger_5.0?-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-What’s_New_in_Script_Debugger_5.0?_2-0">^</a></b></span> <span class="reference-text"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.latenightsw.com/sd5/whats-new-in-script-debugger-5/">"What's New in Script Debugger 5.0"</a>. <i>Late Night Software</i><span class="reference-accessdate">. Retrieved <span class="nowrap">March 22,</span> 2015</span>.</cite></span>
</li>
<li id="cite_note-JavaScript_for_Automation-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-JavaScript_for_Automation_3-0">^</a></b></span> <span class="reference-text"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.macstories.net/linked/javascript-for-automation-on-os-x-yosemite/">"JavaScript for Automation"</a>. <i>MacStories</i><span class="reference-accessdate">. Retrieved <span class="nowrap">August 31,</span> 2014</span>.</cite></span>
</li>
<li id="cite_note-JavaScript_for_Automation_Release_Notes-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-JavaScript_for_Automation_Release_Notes_4-0">^</a></b></span> <span class="reference-text"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://developer.apple.com/library/archive/releasenotes/InterapplicationCommunication/RN-JavaScriptForAutomation/Articles/Introduction.html">"JavaScript for Automation Release Notes"</a>. Apple, Inc<span class="reference-accessdate">. Retrieved <span class="nowrap">August 31,</span> 2014</span>.</cite></span>
</li>
</ol></div></div>
<div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2></div>
<ul><li><span class="official-website"><span class="url"><a rel="nofollow" class="external text" href="http://www.latenightsw.com">Official website</a></span></span>, Late Night Software</li>
<li><cite id="CITEREFHough2001" class="citation web cs1">Hough, Richard (May 11, 2001). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20141019000338/http://oreilly.com/pub/a/javascript/2001/05/11/js_for_mac.html">"JavaScript and Mac OS"</a>. <a href="O'Reilly_Media" title="O'Reilly Media">O'Reilly Media</a>. Archived from <a rel="nofollow" class="external text" href="http://oreilly.com/pub/a/javascript/2001/05/11/js_for_mac.html">the original</a> on October 19, 2014.</cite></li></ul>
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<ul><li><a href="ActionScript" title="ActionScript">ActionScript</a>
<ul><li><a href="Haxe" title="Haxe">Haxe</a></li></ul></li>
<li><a href="Caja_project" title="Caja project">Caja</a></li>
<li><a href="JavaScript" title="JavaScript">JavaScript</a>
<ul><li><a href="JavaScript_engine" class="mw-redirect" title="JavaScript engine">engines</a></li>
<li><a href="Asm.js" title="Asm.js">asm.js</a></li></ul></li>
<li><a href="JScript" title="JScript">JScript</a></li>
<li><a href="JScript_.NET" title="JScript .NET">JScript .NET</a></li>
<li><a href="QtScript" title="QtScript">QtScript</a></li>
<li><a href="TypeScript" title="TypeScript">TypeScript</a></li>
<li><a href="WMLScript" title="WMLScript">WMLScript</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="List_of_JavaScript_engines" title="List of JavaScript engines">Engines</a><br>(list)</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Presto_(browser_engine)#ECMAScript_engines" title="Presto (browser engine)">Carakan</a></li>
<li><a href="Presto_(browser_engine)#ECMAScript_engines" title="Presto (browser engine)">Futhark</a></li>
<li>InScript</li>
<li><a href="WebKit#JavaScriptCore" title="WebKit">JavaScriptCore</a></li>
<li><a href="JScript" title="JScript">JScript</a></li>
<li><a href="KJS_(software)" class="mw-redirect" title="KJS (software)">KJS</a></li>
<li><a href="Presto_(browser_engine)#ECMAScript_engines" title="Presto (browser engine)">Linear B</a></li>
<li><a href="QtScript" title="QtScript">QtScript</a></li>
<li><a href="Rhino_(JavaScript_engine)" title="Rhino (JavaScript engine)">Rhino</a></li>
<li><a href="SpiderMonkey" title="SpiderMonkey">SpiderMonkey</a>
<ul><li><a href="SpiderMonkey#TraceMonkey" title="SpiderMonkey">TraceMonkey</a></li>
<li><a href="SpiderMonkey#JägerMonkey" title="SpiderMonkey">JägerMonkey</a></li></ul></li>
<li><a href="Tamarin_(software)" title="Tamarin (software)">Tamarin</a></li>
<li><a href="V8_(JavaScript_engine)" title="V8 (JavaScript engine)">V8</a></li>
<li><a href="Chakra_(JavaScript_engine)" title="Chakra (JavaScript engine)">ChakraCore</a>
<ul><li><a href="Chakra_(JScript_engine)" title="Chakra (JScript engine)">Chakra</a></li></ul></li>
<li><a href="JScript_.NET" title="JScript .NET">JScript .NET</a></li>
<li><a href="Nashorn_(JavaScript_engine)" title="Nashorn (JavaScript engine)">Nashorn</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Software_framework" title="Software framework">Frameworks</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Client-side_JavaScript" class="mw-redirect" title="Client-side JavaScript">Client-side</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Dojo_Toolkit" title="Dojo Toolkit">Dojo</a></li>
<li><a href="Echo_(framework)" title="Echo (framework)">Echo</a></li>
<li><a href="Ext_JS" title="Ext JS">Ext JS</a></li>
<li><a href="Google_Web_Toolkit" title="Google Web Toolkit">Google Web Toolkit</a></li>
<li><a href="JQuery" title="JQuery">jQuery</a></li>
<li><a href="Lively_Kernel" title="Lively Kernel">Lively Kernel</a></li>
<li>midori</li>
<li><a href="MochiKit" title="MochiKit">MochiKit</a></li>
<li><a href="MooTools" title="MooTools">MooTools</a></li>
<li><a href="Prototype_JavaScript_Framework" title="Prototype JavaScript Framework">Prototype</a></li>
<li><a href="Pyjs" title="Pyjs">Pyjs</a></li>
<li><a href="Qooxdoo" title="Qooxdoo">qooxdoo</a></li>
<li><a href="SproutCore" title="SproutCore">SproutCore</a></li>
<li><a href="Spry_framework" title="Spry framework">Spry</a></li>
<li>Wakanda Framework</li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Server-side_JavaScript" class="mw-redirect" title="Server-side JavaScript">Server-side</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Node.js" title="Node.js">Node.js</a></li>
<li><a href="Deno_(software)" title="Deno (software)">Deno</a></li>
<li><a href="Bun_(software)" title="Bun (software)">Bun</a></li>
<li><a href="Jaxer" class="mw-redirect" title="Jaxer">Jaxer</a></li>
<li><a href="AppJet" title="AppJet">AppJet</a></li>
<li>WakandaDB</li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Multiple</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li>Cappuccino</li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="JavaScript_library" title="JavaScript library">Libraries</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Backbone.js" title="Backbone.js">Backbone.js</a></li>
<li><a href="SWFObject" title="SWFObject">SWFObject</a></li>
<li><a href="Underscore.js" title="Underscore.js">Underscore.js</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">People</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Brendan_Eich" title="Brendan Eich">Brendan Eich</a></li>
<li><a href="Douglas_Crockford" title="Douglas Crockford">Douglas Crockford</a></li>
<li><a href="John_Resig" title="John Resig">John Resig</a></li>
<li>Scott Isaacs</li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Dynamic_HTML" title="Dynamic HTML">DHTML</a></li>
<li><a href="Ecma_International" title="Ecma International">Ecma International</a></li>
<li><a href="JSDoc" title="JSDoc">JSDoc</a></li>
<li><a href="JSGI" title="JSGI">JSGI</a></li>
<li><a href="JSHint" title="JSHint">JSHint</a></li>
<li><a href="JSLint" title="JSLint">JSLint</a></li>
<li><a href="JSON" title="JSON">JSON</a></li>
<li><a href="JavaScript_Style_Sheets" title="JavaScript Style Sheets">JSSS</a></li>
<li><a href="Sputnik_(JavaScript_conformance_test)" title="Sputnik (JavaScript conformance test)">Sputnik</a></li>
<li><a href="Browser_speed_test" class="mw-redirect" title="Browser speed test">SunSpider</a></li>
<li><a href="Asynchronous_module_definition" title="Asynchronous module definition">Asynchronous module definition</a></li>
<li><a href="CommonJS" title="CommonJS">CommonJS</a></li></ul>
</div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div><span class="noviewer" typeof="mw:File"><span title="List-Class article"></span></span> <b>Lists</b>: <a href="List_of_JavaScript_libraries" title="List of JavaScript libraries">JavaScript libraries</a> • <a href="List_of_Ajax_frameworks#JavaScript" title="List of Ajax frameworks">Ajax frameworks</a> • <a href="List_of_server-side_JavaScript_implementations" title="List of server-side JavaScript implementations">Server-side JavaScript</a><br><span class="noviewer" typeof="mw:File"><span title="List-Class article"></span></span> <b>Comparison</b>: <a href="Comparison_of_JavaScript-based_web_frameworks" title="Comparison of JavaScript-based web frameworks">JavaScript web frameworks</a></div></td></tr></tbody></table></div></div><!--htdig_noindex--><div><div class="zim-footer">
This article is issued from <a class="external text" title="Last edited on 2025-07-03" href="https://en.wikipedia.org/wiki/?title=JavaScript_OSA&oldid=1298554853">Wikipedia</a>. The text is available under <a class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en">Creative Commons Attribution-Share Alike 4.0</a> unless otherwise noted. Additional terms may apply for the media files.
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