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+<!doctype html>
+
+<title>CodeMirror: Tern Demo</title>
+<meta charset="utf-8"/>
+<link rel=stylesheet href="../doc/docs.css">
+
+<link rel="stylesheet" href="../lib/codemirror.css">
+<link rel="stylesheet" href="../addon/dialog/dialog.css">
+<link rel="stylesheet" href="../addon/hint/show-hint.css">
+<link rel="stylesheet" href="../addon/tern/tern.css">
+<script src="../lib/codemirror.js"></script>
+<script src="../mode/javascript/javascript.js"></script>
+<script src="../addon/dialog/dialog.js"></script>
+<script src="../addon/hint/show-hint.js"></script>
+<script src="../addon/tern/tern.js"></script>
+<script src="//ternjs.net/node_modules/acorn/dist/acorn.js"></script>
+<script src="//ternjs.net/node_modules/acorn-loose/dist/acorn-loose.js"></script>
+<script src="//ternjs.net/node_modules/acorn-walk/dist/walk.js"></script>
+<script src="//ternjs.net/doc/demo/polyfill.js"></script>
+<script src="//ternjs.net/lib/signal.js"></script>
+<script src="//ternjs.net/lib/tern.js"></script>
+<script src="//ternjs.net/lib/def.js"></script>
+<script src="//ternjs.net/lib/comment.js"></script>
+<script src="//ternjs.net/lib/infer.js"></script>
+<script src="//ternjs.net/plugin/doc_comment.js"></script>
+<style>
+ .CodeMirror {border: 1px solid #ddd;}
+ </style>
+<div id=nav>
+ <a href="https://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../doc/logo.png"></a>
+
+ <ul>
+ <li><a href="../index.html">Home</a>
+ <li><a href="../doc/manual.html">Manual</a>
+ <li><a href="https://github.com/codemirror/codemirror">Code</a>
+ </ul>
+ <ul>
+ <li><a class=active href="#">Tern</a>
+ </ul>
+</div>
+
+<article>
+<h2>Tern Demo</h2>
+<form><textarea id="code" name="code">// Use ctrl-space to complete something
+// Put the cursor in or after an expression, press ctrl-o to
+// find its type
+
+var foo = ["array", "of", "strings"];
+var bar = foo.slice(0, 2).join("").split("a")[0];
+
+// Works for locally defined types too.
+
+function CTor() { this.size = 10; }
+CTor.prototype.hallo = "hallo";
+
+var baz = new CTor;
+baz.
+
+// You can press ctrl-q when the cursor is on a variable name to
+// rename it. Try it with CTor...
+
+// When the cursor is in an argument list, the arguments are
+// shown below the editor.
+
+[1].reduce( );
+
+// And a little more advanced code...
+
+(function(exports) {
+ exports.randomElt = function(arr) {
+ return arr[Math.floor(arr.length * Math.random())];
+ };
+ exports.strList = "foo".split("");
+ exports.intList = exports.strList.map(function(s) { return s.charCodeAt(0); });
+})(window.myMod = {});
+
+var randomStr = myMod.randomElt(myMod.strList);
+var randomInt = myMod.randomElt(myMod.intList);
+</textarea></form>
+
+<p>Demonstrates integration of <a href="http://ternjs.net/">Tern</a>
+and CodeMirror. The following keys are bound:</p>
+
+<dl>
+ <dt>Ctrl-Space</dt><dd>Autocomplete</dd>
+ <dt>Ctrl-O</dt><dd>Find docs for the expression at the cursor</dd>
+ <dt>Ctrl-I</dt><dd>Find type at cursor</dd>
+ <dt>Alt-.</dt><dd>Jump to definition (Alt-, to jump back)</dd>
+ <dt>Ctrl-Q</dt><dd>Rename variable</dd>
+ <dt>Ctrl-.</dt><dd>Select all occurrences of a variable</dd>
+</dl>
+
+<p>Documentation is sparse for now. See the top of
+the <a href="../addon/tern/tern.js">script</a> for a rough API
+overview.</p>
+
+<script>
+ function getURL(url, c) {
+ var xhr = new XMLHttpRequest();
+ xhr.open("get", url, true);
+ xhr.send();
+ xhr.onreadystatechange = function() {
+ if (xhr.readyState != 4) return;
+ if (xhr.status < 400) return c(null, xhr.responseText);
+ var e = new Error(xhr.responseText || "No response");
+ e.status = xhr.status;
+ c(e);
+ };
+ }
+
+ var server;
+ getURL("//ternjs.net/defs/ecmascript.json", function(err, code) {
+ if (err) throw new Error("Request for ecmascript.json: " + err);
+ server = new CodeMirror.TernServer({defs: [JSON.parse(code)]});
+ editor.setOption("extraKeys", {
+ "Ctrl-Space": function(cm) { server.complete(cm); },
+ "Ctrl-I": function(cm) { server.showType(cm); },
+ "Ctrl-O": function(cm) { server.showDocs(cm); },
+ "Alt-.": function(cm) { server.jumpToDef(cm); },
+ "Alt-,": function(cm) { server.jumpBack(cm); },
+ "Ctrl-Q": function(cm) { server.rename(cm); },
+ "Ctrl-.": function(cm) { server.selectName(cm); }
+ })
+ editor.on("cursorActivity", function(cm) { server.updateArgHints(cm); });
+ });
+
+ var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
+ lineNumbers: true,
+ mode: "javascript"
+ });
+</script>
+
+ </article>