1 files changed, 20 insertions, 0 deletions
diff --git a/usth/ICT3.2/prac/3/4-vanilla.html b/usth/ICT3.2/prac/3/4-vanilla.html
new file mode 100644
index 0000000..9ea396f
--- /dev/null
+++ b/usth/ICT3.2/prac/3/4-vanilla.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<script>
+let previous;
+function measure() {
+  current = Date.now();
+  if (previous !== undefined)
+    document.getElementById('log').innerHTML = `${current-previous} ms`;
+  previous = current;
+}
+</script>
+
+<body>
+  <h1>Heading1</h1>
+  <h2>Heading2</h2>
+  <p>Paragraph</p>
+  <button onclick='measure()'>Button</button>
+  <div id="log"></div>
+</body>
+</html>