code examples and message typing interaction

_src/_assets/javascripts/page-getstarted.js

@@ -1,5 +1,6 @@
 //=require gumshoe/dist/js/gumshoe.js
 
+//=include bigchain/tab.js
 //=include bigchain/smoothscroll.js
 //=include bigchain/newsletter.js
 
@@ -55,12 +56,32 @@ window.addEventListener('DOMContentLoaded', function domload(event) {
     const postButton = document.getElementById('post')
     const messageInput = document.getElementById('message')
 
-    // quick form validation
+    // nasty jquery inside of here, YOLO
+    $(".highlight code:contains('Blockchain all the things!')").html(function(_, html) {
+        return html.replace(/(Blockchain all the things!)/g, '<strong class="code-example__message">$1</strong>');
+    })
+
+    const codeMessages = document.querySelectorAll('.code-example__message')
+
+    function updateMessage(content) {
+        for (var codeMessage of codeMessages) {
+            codeMessage.textContent = content
+        }
+    }
+    // empty default message
+    updateMessage('')
+
+    // quick form validation, live update code example with user input
     messageInput.addEventListener('input', function() {
         if (messageInput.value === '') {
             postButton.setAttribute('disabled', '')
+            // empty message again
+            updateMessage('')
         } else {
             postButton.removeAttribute('disabled')
+
+            // update code message
+            updateMessage(messageInput.value)
         }
     })
 

_src/_assets/styles/_page-getstarted.scss

@@ -71,6 +71,48 @@
     font-size: $font-size-base;
 }
 
+.code-example {
+    @include transition;
+    opacity: .5;
+
+    &:hover {
+        opacity: 1;
+    }
+
+    .nav-link,
+    pre {
+        font-size: $font-size-xs;
+    }
+
+    .nav-tabs {
+        border-bottom-color: $gray-light;
+    }
+
+    .nav-link {
+        padding-top: $spacer / 4;
+        padding-bottom: $spacer / 4;
+        margin-bottom: -2px;
+
+        &:hover,
+        &:focus {
+            background: none;
+        }
+
+        &.active {
+            border-bottom: 2px solid $gray-light;
+        }
+    }
+
+    pre {
+        background: none;
+        padding: $spacer * 1.5 0;
+    }
+}
+
+.code-example__message {
+    font-weight: $font-weight-bold;
+}
+
 .section-title--numbered {
     span {
         text-align: center;

_src/getstarted.html

@@ -43,6 +43,76 @@ redirect_from:
                     </fieldset>
 
                 </form>
+
+                <aside class="code-example">
+                    <ul class="nav nav-tabs">
+                        <li class="nav-item">
+                            <a class="nav-link active" href="#curl" data-toggle="tab" role="tab">cURL</a>
+                        </li>
+                        <li class="nav-item">
+                            <a class="nav-link" href="#python" data-toggle="tab" role="tab">Python</a>
+                        </li>
+                        <li class="nav-item">
+                            <a class="nav-link" href="#nodejs" data-toggle="tab" role="tab">Node.js</a>
+                        </li>
+                    </ul>
+
+                    <div class="tab-content">
+
+                        <div class="tab-pane active" id="curl" role="tabpanel">
+{% capture curl %}
+```bash
+curl -X "POST" "https://test.ipdb.io/api/v1/transactions/" \
+     -d $'{ message: "Blockchain all the things!" }'
+```
+{% endcapture %}{{ curl | markdownify }}
+                        </div>
+
+                        <div class="tab-pane highlight" id="python" role="tabpanel">
+{% capture python %}
+```python
+from bigchaindb_driver import BigchainDB
+from bigchaindb_driver.crypto import generate_keypair
+
+bdb = BigchainDB('https://test.ipdb.io/api/v1/')
+
+alice = generate_keypair()
+
+tx = bdb.transactions.prepare(
+    metadata={ "message": "Blockchain all the things!" }
+)
+
+txSigned = bdb.transactions.fulfill(
+    tx,
+    private_keys=alice.private_key
+)
+
+bdb.transactions.send(txSigned)
+```
+{% endcapture %}{{ python | markdownify }}
+                        </div>
+
+                        <div class="tab-pane highlight" id="nodejs" role="tabpanel">
+{% capture nodejs %}
+```js
+const driver = require('bigchaindb-driver')
+const conn = new driver.Connection('https://test.ipdb.io/api/v1/')
+const alice = new driver.Ed25519Keypair()
+
+const tx = driver.Transaction.makeCreateTransaction(
+    { message: "Blockchain all the things!" }
+)
+
+const txSigned = driver.Transaction.signTransaction(tx, alice.privateKey)
+
+conn.postTransaction(txSigned)
+```
+{% endcapture %}{{ nodejs | markdownify }}
+                        </div>
+
+                    </div>
+                </aside>
+
             </div>
             <div class="grid__col">
                 <div class="waiting">