[done] wesbos#3 - CSS Variables

Felipe Uliana · Felipe Uliana · commit 3a8cdedbee09 · 2017-03-02T19:06:43.000-03:00
diff --git a/03 - CSS Variables/index-START.html b/03 - CSS Variables/index-START.html
@@ -25,6 +25,11 @@ <h2>Update CSS Variables with <span class='hl'>JS</span></h2>
     /*
       misc styles, nothing to do with CSS variables
     */
+   :root {
+    --base: #ffc600;
+    --blur: 10px;
+    --spacing: 10px;
+   }
 
     body {
       text-align: center;
@@ -50,9 +55,29 @@ <h2>Update CSS Variables with <span class='hl'>JS</span></h2>
     input {
       width:100px;
     }
+
+    .hl {
+      color: var(--base);
+    }
+
+    img {
+      background-color: var(--base);
+      padding: var(--spacing);
+      filter: blur(var(--blur));
+    }
   </style>
 
   <script>
+    const inputs = document.querySelectorAll('.controls input')
+
+    inputs.forEach(input => input.addEventListener('change', handleUpdate));
+    inputs.forEach(input => input.addEventListener('mousemove', handleUpdate));
+
+    function handleUpdate() {
+      const suffix = this.dataset.sizing || '';
+
+      document.documentElement.style.setProperty(`--${this.name}`, (this.value + suffix));
+    }
   </script>
 
 </body>
