diff --git a/content/static/doc/download.js b/content/static/doc/download.js
index 3f463ad..46aa5c8 100644
--- a/content/static/doc/download.js
+++ b/content/static/doc/download.js
@@ -84,6 +84,23 @@
     }
   }
 
+  // Updates install tab with dynamic data.
+  setInstallTabData(osName) {
+    const fnId = `#${osName}-filename`;
+    const el = document.querySelector(fnId);
+    if (!el) {
+      return;
+    }
+    switch(osName) {
+      case 'linux':
+        // Update filename for linux installation step
+        if (this.linuxFileName) {
+          el.textContent = this.linuxFileName;
+        }
+        break;
+    }
+  }
+
   // Detect the users OS for installation default.
   detectOS() {
     if (navigator.appVersion.indexOf('Linux') !== -1) {
@@ -117,6 +134,7 @@
     const el = (e.target);
     this.activateTab(Array.prototype.indexOf.call(this.tabs, el));
     this.setDownloadForOS(el.id);
+    this.setInstallTabData(el.id);
   }
 
 }
diff --git a/content/static/doc/install.html b/content/static/doc/install.html
index 86f1bc2..b759457 100644
--- a/content/static/doc/install.html
+++ b/content/static/doc/install.html
@@ -91,7 +91,7 @@
           For example, run the following as root or through <code>sudo</code>:
         </p>
         <pre>
-tar -C /usr/local -xzf go1.14.3.linux-amd64.tar.gz
+tar -C /usr/local -xzf <span id="linux-filename">go1.14.3.linux-amd64.tar.gz</span>
 </pre
         >
       </li>
@@ -201,4 +201,4 @@
   some simple Go code. It takes about 10 minutes to complete.
 </p>
 
-<script async src="/doc/download.js"></script>
\ No newline at end of file
+<script async src="/doc/download.js"></script>
diff --git a/content/static/static.go b/content/static/static.go
index 0b979d8..66f6e89 100644
--- a/content/static/static.go
+++ b/content/static/static.go
@@ -61,11 +61,11 @@
 
 	"doc/docs.html": 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pkg/\">Package\x20Documentation</a></h3>\x0a<p>\x0aThe\x20documentation\x20for\x20the\x20Go\x20standard\x20library.\x0a</p>\x0a\x0a<h3\x20id=\"cmd\"><a\x20href=\"/doc/cmd\">Command\x20Documentation</a></h3>\x0a<p>\x0aThe\x20documentation\x20for\x20the\x20Go\x20tools.\x0a</p>\x0a\x0a<h3\x20id=\"spec\"><a\x20href=\"/ref/spec\">Language\x20Specification</a></h3>\x0a<p>\x0aThe\x20official\x20Go\x20Language\x20specification.\x0a</p>\x0a\x0a<h3\x20id=\"go_mem\"><a\x20href=\"/ref/mem\">The\x20Go\x20Memory\x20Model</a></h3>\x0a<p>\x0aA\x20document\x20that\x20specifies\x20the\x20conditions\x20under\x20which\x20reads\x20of\x20a\x20variable\x20in\x0aone\x20goroutine\x20can\x20be\x20guaranteed\x20to\x20observe\x20values\x20produced\x20by\x20writes\x20to\x20the\x0asame\x20variable\x20in\x20a\x20different\x20goroutine.\x0a</p>\x0a\x0a<h3\x20id=\"release\"><a\x20href=\"/doc/devel/release.html\">Release\x20History</a></h3>\x0a<p>A\x20summary\x20of\x20the\x20changes\x20between\x20Go\x20releases.</p>\x0a\x0a\x0a<h2\x20id=\"articles\">Articles</h2>\x0a\x0a{{if\x20not\x20$.GoogleCN}}\x0a<h3\x20id=\"blog\"><a\x20href=\"//blog.golang.org/\">The\x20Go\x20Blog</a></h3>\x0a<p>The\x20official\x20blog\x20of\x20the\x20Go\x20project,\x20featuring\x20news\x20and\x20in-depth\x20articles\x20by\x0athe\x20Go\x20team\x20and\x20guests.</p>\x0a{{end}}\x0a\x0a<h4>Codewalks</h4>\x0a<p>\x0aGuided\x20tours\x20of\x20Go\x20programs.\x0a</p>\x0a<ul>\x0a<li><a\x20href=\"/doc/codewalk/functions\">First-Class\x20Functions\x20in\x20Go</a></li>\x0a<li><a\x20href=\"/doc/codewalk/markov\">Generating\x20arbitrary\x20text:\x20a\x20Markov\x20chain\x20algorithm</a></li>\x0a<li><a\x20href=\"/doc/codewalk/sharemem\">Share\x20Memory\x20by\x20Communicating</a></li>\x0a<li><a\x20href=\"/doc/articles/wiki/\">Writing\x20Web\x20Applications</a>\x20-\x20building\x20a\x20simple\x20web\x20application.</li>\x0a</ul>\x0a\x0a{{if\x20not\x20$.GoogleCN}}\x0a<h4>Language</h4>\x0a<ul>\x0a<li><a\x20href=\"/blog/json-rpc-tale-of-interfaces\">JSON-RPC:\x20a\x20tale\x20of\x20interfaces</a></li>\x0a<li><a\x20href=\"/blog/gos-declaration-syntax\">Go's\x20Declaration\x20Syntax</a></li>\x0a<li><a\x20href=\"/blog/defer-panic-and-recover\">Defer,\x20Panic,\x20and\x20Recover</a></li>\x0a<li><a\x20href=\"/blog/go-concurrency-patterns-timing-out-and\">Go\x20Concurrency\x20Patterns:\x20Timing\x20out,\x20moving\x20on</a></li>\x0a<li><a\x20href=\"/blog/go-slices-usage-and-internals\">Go\x20Slices:\x20usage\x20and\x20internals</a></li>\x0a<li><a\x20href=\"/blog/gif-decoder-exercise-in-go-interfaces\">A\x20GIF\x20decoder:\x20an\x20exercise\x20in\x20Go\x20interfaces</a></li>\x0a<li><a\x20href=\"/blog/error-handling-and-go\">Error\x20Handling\x20and\x20Go</a></li>\x0a<li><a\x20href=\"/blog/organizing-go-code\">Organizing\x20Go\x20code</a></li>\x0a</ul>\x0a\x0a<h4>Packages</h4>\x0a<ul>\x0a<li><a\x20href=\"/blog/json-and-go\">JSON\x20and\x20Go</a>\x20-\x20using\x20the\x20<a\x20href=\"/pkg/encoding/json/\">json</a>\x20package.</li>\x0a<li><a\x20href=\"/blog/gobs-of-data\">Gobs\x20of\x20data</a>\x20-\x20the\x20design\x20and\x20use\x20of\x20the\x20<a\x20href=\"/pkg/encoding/gob/\">gob</a>\x20package.</li>\x0a<li><a\x20href=\"/blog/laws-of-reflection\">The\x20Laws\x20of\x20Reflection</a>\x20-\x20the\x20fundamentals\x20of\x20the\x20<a\x20href=\"/pkg/reflect/\">reflect</a>\x20package.</li>\x0a<li><a\x20href=\"/blog/go-image-package\">The\x20Go\x20image\x20package</a>\x20-\x20the\x20fundamentals\x20of\x20the\x20<a\x20href=\"/pkg/image/\">image</a>\x20package.</li>\x0a<li><a\x20href=\"/blog/go-imagedraw-package\">The\x20Go\x20image/draw\x20package</a>\x20-\x20the\x20fundamentals\x20of\x20the\x20<a\x20href=\"/pkg/image/draw/\">image/draw</a>\x20package.</li>\x0a</ul>\x0a\x0a<h4>Modules</h4>\x0a<ul>\x0a<li><a\x20href=\"/blog/using-go-modules\">Using\x20Go\x20Modules</a>\x20-\x20an\x20introduction\x20to\x20using\x20modules\x20in\x20a\x20simple\x20project.</li>\x0a<li><a\x20href=\"/blog/migrating-to-go-modules\">Migrating\x20to\x20Go\x20Modules</a>\x20-\x20converting\x20an\x20existing\x20project\x20to\x20use\x20modules.</li>\x0a<li><a\x20href=\"/blog/publishing-go-modules\">Publishing\x20Go\x20Modules</a>\x20-\x20how\x20to\x20make\x20new\x20versions\x20of\x20modules\x20available\x20to\x20others.</li>\x0a<li><a\x20href=\"/blog/v2-go-modules\">Go\x20Modules:\x20v2\x20and\x20Beyond</a>\x20-\x20creating\x20and\x20publishing\x20major\x20versions\x202\x20and\x20higher.</li>\x0a<li><a\x20href=\"/blog/module-compatibility\">Keeping\x20Your\x20Modules\x20Compatible</a>\x20-\x20how\x20to\x20keep\x20your\x20modules\x20compatible\x20with\x20prior\x20minor/patch\x20versions.</li>\x0a</ul>\x0a{{end}}\x0a\x0a<h4>Tools</h4>\x0a<ul>\x0a<li><a\x20href=\"/doc/articles/go_command.html\">About\x20the\x20Go\x20command</a>\x20-\x20why\x20we\x20wrote\x20it,\x20what\x20it\x20is,\x20what\x20it's\x20not,\x20and\x20how\x20to\x20use\x20it.</li>\x0a<li><a\x20href=\"/doc/gdb\">Debugging\x20Go\x20Code\x20with\x20GDB</a></li>\x0a<li><a\x20href=\"/doc/articles/race_detector.html\">Data\x20Race\x20Detector</a>\x20-\x20a\x20manual\x20for\x20the\x20data\x20race\x20detector.</li>\x0a<li><a\x20href=\"/doc/asm\">A\x20Quick\x20Guide\x20to\x20Go's\x20Assembler</a>\x20-\x20an\x20introduction\x20to\x20the\x20assembler\x20used\x20by\x20Go.</li>\x0a{{if\x20not\x20$.GoogleCN}}\x0a<li><a\x20href=\"/blog/c-go-cgo\">C?\x20Go?\x20Cgo!</a>\x20-\x20linking\x20against\x20C\x20code\x20with\x20<a\x20href=\"/cmd/cgo/\">cgo</a>.</li>\x0a<li><a\x20href=\"/blog/godoc-documenting-go-code\">Godoc:\x20documenting\x20Go\x20code</a>\x20-\x20writing\x20good\x20documentation\x20for\x20<a\x20href=\"/cmd/godoc/\">godoc</a>.</li>\x0a<li><a\x20href=\"/blog/profiling-go-programs\">Profiling\x20Go\x20Programs</a></li>\x0a<li><a\x20href=\"/blog/race-detector\">Introducing\x20the\x20Go\x20Race\x20Detector</a>\x20-\x20an\x20introduction\x20to\x20the\x20race\x20detector.</li>\x0a{{end}}\x0a</ul>\x0a\x0a<h4\x20id=\"articles_more\">More</h4>\x0a<p>\x0aSee\x20the\x20<a\x20href=\"/wiki/Articles\">Articles\x20page</a>\x20at\x20the\x0a<a\x20href=\"/wiki\">Wiki</a>\x20for\x20more\x20Go\x20articles.\x0a</p>\x0a\x0a{{if\x20not\x20$.GoogleCN}}\x0a<h2\x20id=\"talks\">Talks</h2>\x0a\x0a<img\x20class=\"gopher\"\x20src=\"/doc/gopher/talks.png\"\x20alt=\"\"/>\x0a\x0a<h3\x20id=\"video_tour_of_go\"><a\x20href=\"https://research.swtch.com/gotour\">A\x20Video\x20Tour\x20of\x20Go</a></h3>\x0a<p>\x0aThree\x20things\x20that\x20make\x20Go\x20fast,\x20fun,\x20and\x20productive:\x0ainterfaces,\x20reflection,\x20and\x20concurrency.\x20Builds\x20a\x20toy\x20web\x20crawler\x20to\x0ademonstrate\x20these.\x0a</p>\x0a\x0a<h3\x20id=\"go_code_that_grows\"><a\x20href=\"//vimeo.com/53221560\">Code\x20that\x20grows\x20with\x20grace</a></h3>\x0a<p>\x0aOne\x20of\x20Go's\x20key\x20design\x20goals\x20is\x20code\x20adaptability;\x20that\x20it\x20should\x20be\x20easy\x20to\x20take\x20a\x20simple\x20design\x20and\x20build\x20upon\x20it\x20in\x20a\x20clean\x20and\x20natural\x20way.\x20In\x20this\x20talk\x20Andrew\x20Gerrand\x20describes\x20a\x20simple\x20\"chat\x20roulette\"\x20server\x20that\x20matches\x20pairs\x20of\x20incoming\x20TCP\x20connections,\x20and\x20then\x20use\x20Go's\x20concurrency\x20mechanisms,\x20interfaces,\x20and\x20standard\x20library\x20to\x20extend\x20it\x20with\x20a\x20web\x20interface\x20and\x20other\x20features.\x20While\x20the\x20function\x20of\x20the\x20program\x20changes\x20dramatically,\x20Go's\x20flexibility\x20preserves\x20the\x20original\x20design\x20as\x20it\x20grows.\x0a</p>\x0a\x0a<h3\x20id=\"go_concurrency_patterns\"><a\x20href=\"//www.youtube.com/watch?v=f6kdp27TYZs\">Go\x20Concurrency\x20Patterns</a></h3>\x0a<p>\x0aConcurrency\x20is\x20the\x20key\x20to\x20designing\x20high\x20performance\x20network\x20services.\x20Go's\x20concurrency\x20primitives\x20(goroutines\x20and\x20channels)\x20provide\x20a\x20simple\x20and\x20efficient\x20means\x20of\x20expressing\x20concurrent\x20execution.\x20In\x20this\x20talk\x20we\x20see\x20how\x20tricky\x20concurrency\x20problems\x20can\x20be\x20solved\x20gracefully\x20with\x20simple\x20Go\x20code.\x0a</p>\x0a\x0a<h3\x20id=\"advanced_go_concurrency_patterns\"><a\x20href=\"//www.youtube.com/watch?v=QDDwwePbDtw\">Advanced\x20Go\x20Concurrency\x20Patterns</a></h3>\x0a<p>\x0aThis\x20talk\x20expands\x20on\x20the\x20<i>Go\x20Concurrency\x20Patterns</i>\x20talk\x20to\x20dive\x20deeper\x20into\x20Go's\x20concurrency\x20primitives.\x0a</p>\x0a\x0a<h4\x20id=\"talks_more\">More</h4>\x0a<p>\x0aSee\x20the\x20<a\x20href=\"/talks\">Go\x20Talks\x20site</a>\x20and\x20<a\x20href=\"/wiki/GoTalks\">wiki\x20page</a>\x20for\x20more\x20Go\x20talks.\x0a</p>\x0a{{end}}\x0a\x0a<h2\x20id=\"nonenglish\">Non-English\x20Documentation</h2>\x0a\x0a<p>\x0aSee\x20the\x20<a\x20href=\"/wiki/NonEnglish\">NonEnglish</a>\x20page\x0aat\x20the\x20<a\x20href=\"/wiki\">Wiki</a>\x20for\x20localized\x0adocumentation.\x0a</p>\x0a",
 
-	"doc/download.js": "class\x20DownloadsController\x20{\x0a\x20\x20constructor()\x20{\x0a\x20\x20\x20\x20//\x20Parts\x20of\x20tabbed\x20section.\x0a\x20\x20\x20\x20this.tablist\x20=\x20document.querySelector('.js-tabSection');\x0a\x20\x20\x20\x20this.tabs\x20=\x20this.tablist.querySelectorAll('[role=\"tab\"]');\x0a\x20\x20\x20\x20this.panels\x20=\x20document.querySelectorAll('[role=\"tabpanel\"]');\x0a\x0a\x20\x20\x20\x20//\x20OS\x20for\x20which\x20to\x20display\x20download\x20and\x20install\x20steps.\x0a\x20\x20\x20\x20this.osName\x20=\x20'Unknown\x20OS';\x0a\x0a\x20\x20\x20\x20//\x20URL\x20to\x20JSON\x20containing\x20list\x20of\x20installer\x20downloads.\x0a\x20\x20\x20\x20const\x20fileListUrl\x20=\x20'https://golang.org/dl/?mode=json';\x0a\x20\x20\x20\x20this.activeTabIndex\x20=\x200;\x0a\x0a\x20\x20\x20\x20//\x20Get\x20the\x20install\x20file\x20list,\x20then\x20get\x20names\x20and\x20sizes\x0a\x20\x20\x20\x20//\x20for\x20each\x20OS\x20supported\x20on\x20the\x20install\x20page.\x0a\x20\x20\x20\x20fetch(fileListUrl)\x0a\x20\x20\x20\x20\x20\x20.then((response)\x20=>\x20response.json())\x0a\x20\x20\x20\x20\x20\x20.then((data)\x20=>\x20{\x0a\x20\x20\x20\x20\x20\x20\x20\x20const\x20files\x20=\x20data[0]['files'];\x0a\x20\x20\x20\x20\x20\x20\x20\x20for\x20(var\x20i\x20=\x200;\x20i\x20<\x20files.length;\x20i++)\x20{\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20let\x20file\x20=\x20files[i].filename;\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20let\x20fileSize\x20=\x20files[i].size;\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20if\x20(file.match('.linux-amd64.tar.gz$'))\x20{\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20this.linuxFileName\x20=\x20file;\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20this.linuxFileSize\x20=\x20Math.round(fileSize\x20/\x20Math.pow(1024,\x202));\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20}\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20if\x20(file.match('.darwin-amd64(-osx10.8)?.pkg$'))\x20{\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20this.macFileName\x20=\x20file;\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20this.macFileSize\x20=\x20Math.round(fileSize\x20/\x20Math.pow(1024,\x202));\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20}\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20if\x20(file.match('.windows-amd64.msi$'))\x20{\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20this.windowsFileName\x20=\x20file;\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20this.windowsFileSize\x20=\x20Math.round(fileSize\x20/\x20Math.pow(1024,\x202));\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20}\x0a\x20\x20\x20\x20\x20\x20\x20\x20}\x0a\x20\x20\x20\x20\x20\x20\x20\x20this.detectOS();\x0a\x20\x20\x20\x20\x20\x20\x20\x20document.getElementById(this.osName).click();\x0a\x20\x20\x20\x20\x20\x20\x20\x20this.setDownloadForOS(this.osName);\x0a\x20\x20\x20\x20\x20\x20})\x0a\x20\x20\x20\x20\x20\x20.catch(console.error);\x0a\x20\x20\x20\x20\x20\x20this.setEventListeners();\x0a\x20\x20}\x0a\x0a\x20\x20setEventListeners()\x20{\x0a\x20\x20\x20\x20this.tabs.forEach((tabEl)\x20=>\x20{\x0a\x20\x20\x20\x20\x20\x20tabEl.addEventListener('click',\x20e\x20=>\x20this.handleTabClick((e)));\x0a\x20\x20\x20\x20});\x0a\x20\x20}\x0a\x0a\x20\x20//\x20Set\x20the\x20download\x20button\x20UI\x20for\x20a\x20specific\x20OS.\x0a\x20\x20setDownloadForOS(osName)\x20{\x0a\x20\x20\x20\x20const\x20baseURL\x20=\x20'https://golang.org/dl/';\x0a\x20\x20\x20\x20let\x20download;\x0a\x0a\x20\x20\x20\x20switch(osName){\x0a\x20\x20\x20\x20\x20\x20case\x20'linux':\x0a\x20\x20\x20\x20\x20\x20\x20\x20document.querySelector('.js-downloadButton').textContent\x20=\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20'Download\x20Go\x20for\x20Linux';\x0a\x20\x20\x20\x20\x20\x20\x20\x20document.querySelector('.js-downloadDescription').textContent\x20=\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20this.linuxFileName\x20+\x20'\x20('\x20+\x20this.linuxFileSize\x20+\x20'\x20MB)';\x0a\x20\x20\x20\x20\x20\x20\x20\x20document.querySelector('.js-download').href\x20=\x20baseURL\x20+\x20this.linuxFileName;\x0a\x20\x20\x20\x20\x20\x20\x20\x20break;\x0a\x20\x20\x20\x20\x20\x20case\x20'mac':\x0a\x20\x20\x20\x20\x20\x20\x20\x20document.querySelector('.js-downloadButton').textContent\x20=\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20'Download\x20Go\x20for\x20Mac';\x0a\x20\x20\x20\x20\x20\x20\x20\x20document.querySelector('.js-downloadDescription').textContent\x20=\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20this.macFileName\x20+\x20'\x20('\x20+\x20this.macFileSize\x20+\x20'\x20MB)';\x0a\x20\x20\x20\x20\x20\x20\x20\x20document.querySelector('.js-download').href\x20=\x20baseURL\x20+\x20this.macFileName;\x0a\x20\x20\x20\x20\x20\x20\x20\x20break;\x0a\x20\x20\x20\x20\x20\x20case\x20'windows':\x0a\x20\x20\x20\x20\x20\x20\x20\x20document.querySelector('.js-downloadButton').textContent\x20=\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20'Download\x20Go\x20for\x20Windows';\x0a\x20\x20\x20\x20\x20\x20\x20\x20document.querySelector('.js-downloadDescription').textContent\x20=\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20this.windowsFileName\x20+\x20'\x20('\x20+\x20this.windowsFileSize\x20+\x20'\x20MB)';\x0a\x20\x20\x20\x20\x20\x20\x20\x20document.querySelector('.js-download').href\x20=\x20baseURL\x20+\x20this.windowsFileName;\x0a\x20\x20\x20\x20\x20\x20\x20\x20break;\x0a\x20\x20\x20\x20\x20\x20default:\x0a\x20\x20\x20\x20\x20\x20\x20\x20document.querySelector('.js-downloadButton').textContent\x20=\x20'Download\x20Go';\x0a\x20\x20\x20\x20\x20\x20\x20\x20document.querySelector('.js-downloadDescription').textContent\x20=\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20'Visit\x20the\x20downloads\x20page.';\x0a\x20\x20\x20\x20\x20\x20\x20\x20document.querySelector('.js-download').href\x20=\x20baseURL;\x0a\x20\x20\x20\x20\x20\x20\x20\x20break;\x0a\x20\x20\x20\x20}\x0a\x20\x20}\x0a\x0a\x20\x20//\x20Detect\x20the\x20users\x20OS\x20for\x20installation\x20default.\x0a\x20\x20detectOS()\x20{\x0a\x20\x20\x20\x20if\x20(navigator.appVersion.indexOf('Linux')\x20!==\x20-1)\x20{\x0a\x20\x20\x20\x20\x20\x20this.osName\x20=\x20'linux';\x0a\x20\x20\x20\x20}\x0a\x20\x20\x20\x20if\x20(navigator.appVersion.indexOf('Mac')\x20!==\x20-1)\x20{\x0a\x20\x20\x20\x20\x20\x20this.osName\x20=\x20'mac';\x0a\x20\x20\x20\x20}\x0a\x20\x20\x20\x20if\x20(navigator.appVersion.indexOf('X11')\x20!==\x20-1)\x20{\x0a\x20\x20\x20\x20\x20\x20this.osName\x20=\x20'unix';\x0a\x20\x20\x20\x20}\x0a\x20\x20\x20\x20if\x20(navigator.appVersion.indexOf('Win')\x20!==\x20-1)\x20{\x0a\x20\x20\x20\x20\x20\x20this.osName\x20=\x20'windows';\x0a\x20\x20\x20\x20}\x0a\x20\x20}\x0a\x0a\x20\x20//\x20Activates\x20the\x20tab\x20at\x20the\x20given\x20index.\x0a\x20\x20activateTab(index)\x20{\x0a\x20\x20\x20\x20this.tabs[this.activeTabIndex].setAttribute('aria-selected',\x20'false');\x0a\x20\x20\x20\x20this.tabs[this.activeTabIndex].setAttribute('tabindex',\x20'-1');\x0a\x20\x20\x20\x20this.panels[this.activeTabIndex].setAttribute('hidden',\x20'');\x0a\x20\x20\x20\x20this.tabs[index].setAttribute('aria-selected',\x20'true');\x0a\x20\x20\x20\x20this.tabs[index].setAttribute('tabindex',\x20'0');\x0a\x20\x20\x20\x20this.panels[index].removeAttribute('hidden');\x0a\x20\x20\x20\x20this.tabs[index].focus();\x0a\x20\x20\x20\x20this.activeTabIndex\x20=\x20index;\x0a\x20\x20}\x0a\x0a\x20\x20//\x20Handles\x20clicks\x20on\x20tabs.\x0a\x20\x20handleTabClick(e)\x20{\x0a\x20\x20\x20\x20const\x20el\x20=\x20(e.target);\x0a\x20\x20\x20\x20this.activateTab(Array.prototype.indexOf.call(this.tabs,\x20el));\x0a\x20\x20\x20\x20this.setDownloadForOS(el.id);\x0a\x20\x20}\x0a\x0a}\x0a\x0a//\x20Instantiate\x20controller\x20for\x20page\x20event\x20handling.\x0anew\x20DownloadsController();\x0a",
+	"doc/download.js": "class\x20DownloadsController\x20{\x0a\x20\x20constructor()\x20{\x0a\x20\x20\x20\x20//\x20Parts\x20of\x20tabbed\x20section.\x0a\x20\x20\x20\x20this.tablist\x20=\x20document.querySelector('.js-tabSection');\x0a\x20\x20\x20\x20this.tabs\x20=\x20this.tablist.querySelectorAll('[role=\"tab\"]');\x0a\x20\x20\x20\x20this.panels\x20=\x20document.querySelectorAll('[role=\"tabpanel\"]');\x0a\x0a\x20\x20\x20\x20//\x20OS\x20for\x20which\x20to\x20display\x20download\x20and\x20install\x20steps.\x0a\x20\x20\x20\x20this.osName\x20=\x20'Unknown\x20OS';\x0a\x0a\x20\x20\x20\x20//\x20URL\x20to\x20JSON\x20containing\x20list\x20of\x20installer\x20downloads.\x0a\x20\x20\x20\x20const\x20fileListUrl\x20=\x20'https://golang.org/dl/?mode=json';\x0a\x20\x20\x20\x20this.activeTabIndex\x20=\x200;\x0a\x0a\x20\x20\x20\x20//\x20Get\x20the\x20install\x20file\x20list,\x20then\x20get\x20names\x20and\x20sizes\x0a\x20\x20\x20\x20//\x20for\x20each\x20OS\x20supported\x20on\x20the\x20install\x20page.\x0a\x20\x20\x20\x20fetch(fileListUrl)\x0a\x20\x20\x20\x20\x20\x20.then((response)\x20=>\x20response.json())\x0a\x20\x20\x20\x20\x20\x20.then((data)\x20=>\x20{\x0a\x20\x20\x20\x20\x20\x20\x20\x20const\x20files\x20=\x20data[0]['files'];\x0a\x20\x20\x20\x20\x20\x20\x20\x20for\x20(var\x20i\x20=\x200;\x20i\x20<\x20files.length;\x20i++)\x20{\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20let\x20file\x20=\x20files[i].filename;\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20let\x20fileSize\x20=\x20files[i].size;\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20if\x20(file.match('.linux-amd64.tar.gz$'))\x20{\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20this.linuxFileName\x20=\x20file;\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20this.linuxFileSize\x20=\x20Math.round(fileSize\x20/\x20Math.pow(1024,\x202));\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20}\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20if\x20(file.match('.darwin-amd64(-osx10.8)?.pkg$'))\x20{\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20this.macFileName\x20=\x20file;\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20this.macFileSize\x20=\x20Math.round(fileSize\x20/\x20Math.pow(1024,\x202));\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20}\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20if\x20(file.match('.windows-amd64.msi$'))\x20{\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20this.windowsFileName\x20=\x20file;\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20this.windowsFileSize\x20=\x20Math.round(fileSize\x20/\x20Math.pow(1024,\x202));\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20}\x0a\x20\x20\x20\x20\x20\x20\x20\x20}\x0a\x20\x20\x20\x20\x20\x20\x20\x20this.detectOS();\x0a\x20\x20\x20\x20\x20\x20\x20\x20document.getElementById(this.osName).click();\x0a\x20\x20\x20\x20\x20\x20\x20\x20this.setDownloadForOS(this.osName);\x0a\x20\x20\x20\x20\x20\x20})\x0a\x20\x20\x20\x20\x20\x20.catch(console.error);\x0a\x20\x20\x20\x20\x20\x20this.setEventListeners();\x0a\x20\x20}\x0a\x0a\x20\x20setEventListeners()\x20{\x0a\x20\x20\x20\x20this.tabs.forEach((tabEl)\x20=>\x20{\x0a\x20\x20\x20\x20\x20\x20tabEl.addEventListener('click',\x20e\x20=>\x20this.handleTabClick((e)));\x0a\x20\x20\x20\x20});\x0a\x20\x20}\x0a\x0a\x20\x20//\x20Set\x20the\x20download\x20button\x20UI\x20for\x20a\x20specific\x20OS.\x0a\x20\x20setDownloadForOS(osName)\x20{\x0a\x20\x20\x20\x20const\x20baseURL\x20=\x20'https://golang.org/dl/';\x0a\x20\x20\x20\x20let\x20download;\x0a\x0a\x20\x20\x20\x20switch(osName){\x0a\x20\x20\x20\x20\x20\x20case\x20'linux':\x0a\x20\x20\x20\x20\x20\x20\x20\x20document.querySelector('.js-downloadButton').textContent\x20=\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20'Download\x20Go\x20for\x20Linux';\x0a\x20\x20\x20\x20\x20\x20\x20\x20document.querySelector('.js-downloadDescription').textContent\x20=\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20this.linuxFileName\x20+\x20'\x20('\x20+\x20this.linuxFileSize\x20+\x20'\x20MB)';\x0a\x20\x20\x20\x20\x20\x20\x20\x20document.querySelector('.js-download').href\x20=\x20baseURL\x20+\x20this.linuxFileName;\x0a\x20\x20\x20\x20\x20\x20\x20\x20break;\x0a\x20\x20\x20\x20\x20\x20case\x20'mac':\x0a\x20\x20\x20\x20\x20\x20\x20\x20document.querySelector('.js-downloadButton').textContent\x20=\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20'Download\x20Go\x20for\x20Mac';\x0a\x20\x20\x20\x20\x20\x20\x20\x20document.querySelector('.js-downloadDescription').textContent\x20=\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20this.macFileName\x20+\x20'\x20('\x20+\x20this.macFileSize\x20+\x20'\x20MB)';\x0a\x20\x20\x20\x20\x20\x20\x20\x20document.querySelector('.js-download').href\x20=\x20baseURL\x20+\x20this.macFileName;\x0a\x20\x20\x20\x20\x20\x20\x20\x20break;\x0a\x20\x20\x20\x20\x20\x20case\x20'windows':\x0a\x20\x20\x20\x20\x20\x20\x20\x20document.querySelector('.js-downloadButton').textContent\x20=\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20'Download\x20Go\x20for\x20Windows';\x0a\x20\x20\x20\x20\x20\x20\x20\x20document.querySelector('.js-downloadDescription').textContent\x20=\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\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