03

zjor · zjor · commit 2ed636ed770e · 2019-11-01T10:00:15.000+01:00
diff --git a/03 - CSS Variables/index.html b/03 - CSS Variables/index.html
@@ -21,6 +21,17 @@ <h2>Update CSS Variables with <span class='hl'>JS</span></h2>
   <img src="https://source.unsplash.com/7bwQXzbF6KE/800x500">
 
   <style>
+    :root {
+      --base: #df34a1;
+      --spacing: 10px;
+      --blur: 5px;
+    }
+
+    img {
+      padding: var(--spacing);
+      background-color: var(--base);
+      filter: blur(var(--blur));
+    }
 
     /*
       misc styles, nothing to do with CSS variables
@@ -45,6 +56,16 @@ <h2>Update CSS Variables with <span class='hl'>JS</span></h2>
   </style>
 
   <script>
+    const inputs = document.querySelectorAll('.controls input')
+
+    function handleChange() {
+      const suffix = this.dataset.sizing || '';
+      document.documentElement.style.setProperty(`--${this.name}`, this.value + suffix)
+    }
+
+    inputs.forEach((i) => i.addEventListener('change', handleChange))
+    inputs.forEach((i) => i.addEventListener('mousemove', handleChange))
+
   </script>
 
 </body>
