finished wesbos#3 - CSS variables

Author: Pete Cowles

03 - CSS Variables/index-START.html

@@ -21,6 +21,21 @@ <h2>Update CSS Variables with <span class='hl'>JS</span></h2>
   <img src="https://source.unsplash.com/7bwQXzbF6KE/800x500">
 
   <style>
+    :root {
+      --base: #ffc600;
+      --spacing: 10px;
+      --blur: 10px;
+    }
+
+    img {
+      padding: var(--spacing);
+      background: var(--base);
+      filter: blur(var(--blur));
+    }
+
+    .h1 {
+      color: var(--base);
+    }
 
     /*
       misc styles, nothing to do with CSS variables
@@ -45,6 +60,15 @@ <h2>Update CSS Variables with <span class='hl'>JS</span></h2>
   </style>
 
   <script>
+    const inputs = document.querySelectorAll('.controls input');
+    const handleUpdate = (e) => {
+      console.log(e.target.value, e.target);
+      const suffix = e.target.dataset.sizing || '';
+      document.documentElement.style.setProperty(`--${e.target.name}`, e.target.value + suffix);
+
+    }
+    inputs.forEach(input => input.addEventListener('change', (e) => handleUpdate(e)));
+    inputs.forEach(input => input.addEventListener('mousemove', (e) => handleUpdate(e)));
   </script>
 
 </body>