From 64106c4d3d4ddba8c7bc2af75376e6d3d3d75601 Mon Sep 17 00:00:00 2001
From: 
Date: Mon, 29 Jun 2015 20:16:15 +0000
Subject: Update documentation

---
 playpen.js | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 playpen.js

(limited to 'playpen.js')

diff --git a/playpen.js b/playpen.js
new file mode 100644
index 0000000..ff947d9
--- /dev/null
+++ b/playpen.js
@@ -0,0 +1,47 @@
+// Copyright 2014-2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+/*jslint browser: true, es5: true */
+/*globals $: true, rootPath: true */
+
+document.addEventListener('DOMContentLoaded', function() {
+    if (!window.playgroundUrl) {
+        return;
+    }
+
+    var elements = document.querySelectorAll('pre.rust');
+
+    Array.prototype.forEach.call(elements, function(el) {
+        el.onmouseover = function(e) {
+            if (el.contains(e.relatedTarget)) {
+                return;
+            }
+
+            var a = document.createElement('a');
+            a.textContent = '⇱';
+            a.setAttribute('class', 'test-arrow');
+
+            var code = el.previousElementSibling.textContent;
+            a.setAttribute('href', window.playgroundUrl + '?code=' +
+                           encodeURIComponent(code));
+            a.setAttribute('target', '_blank');
+
+            el.appendChild(a);
+        };
+
+        el.onmouseout = function(e) {
+            if (el.contains(e.relatedTarget)) {
+                return;
+            }
+
+            el.removeChild(el.querySelectorAll('a.test-arrow')[0]);
+        };
+    });
+});
-- 
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