Modify comments to add/subtract/multiply/divide, remove playground button

Author: jasonkliu

css/style.css

@@ -277,15 +277,6 @@ ul.laundry-list {
   outline: none;
 }
 
-#playground {
-  position: absolute;
-  z-index: 10;
-  float: right;
-  right: 8px;
-  top: 48px;
-  outline: none;
-}
-
 .fa-external-link {
   position: relative;
   float: right;

index.html

@@ -50,10 +50,8 @@ <h2>Featuring</h2>
           <div id="editor">// This code is editable and runnable!
 fn main() {
     // A simple integer calculator:
-    // `+` denotes adding 1
-    // `-` denotes subtracting 1
-    // `*` denotes multiplying by 2
-    // `/` denotes dividing by 2
+    // `+` or `-` means add or subtract by 1
+    // `*` or `/` means multiply or divide by 2
 
     let program = "+ + * - /";
     let mut accumulator = 0;
@@ -77,10 +75,8 @@ <h2>Featuring</h2>
 <pre class='rust'>
 <span class='kw'>fn</span> main() {
     <span class='comment'>// A simple integer calculator:
-    // `+` denotes adding 1
-    // `-` denotes subtracting 1
-    // `*` denotes multiplying by 2
-    // `/` denotes dividing by 2</span>
+    // `+` or `-` means add or subtract by 1
+    // `*` or `/` means multiply or divide by 2</span>
 
     <span class='kw'>let</span> program = <span class='string'>"+ + * - /"</span>;
     <span class='kw'>let</span> <span class='kw'>mut</span> accumulator = <span class='number'>0</span>;

js/editor.js

@@ -13,7 +13,6 @@ var activeCode = document.getElementById("active-code");
 var editorDiv = document.getElementById("editor");
 var staticCode = document.getElementById("static-code");
 var runButton = document.getElementById("run-code");
-var playButton = document.getElementById("playground");
 var resultDiv = document.getElementById("result");
 
 // Background colors for program result on success/error
@@ -215,11 +214,6 @@ runButton.addEventListener("click", function(ev) {
   runProgram(program, handleResult);
 });
 
-// Navigate to playground, TODO: Get code from editor and paste into playground
-/*playButton.addEventListener("click", function(ev) {
-  window.location = "http://play.rust-lang.org/"
-});*/
-
 // Highlight active line when focused
 editor.on('focus', function() {
   editor.setHighlightActiveLine(true);