diff --git a/78 Sine Wave/javascript/sinewave.js b/78 Sine Wave/javascript/sinewave.js
new file mode 100644
index 00000000..3823273d
--- /dev/null
+++ b/78 Sine Wave/javascript/sinewave.js	
@@ -0,0 +1,22 @@
+print(tab(30), "SINE WAVE");
+print(tab(15), "CREATIVE COMPUTING  MORRISTOWN, NEW JERSEY");
+print("\n\n\n\n");
+
+// REMARKABLE PROGRAM BY DAVID AHL
+// Transliterated to Javascript by Les Orchard <me@lmorchard.com>
+
+let toggleWord = true;
+
+for (let step = 0; step < 40; step += 0.25) {
+  let indent = Math.floor(26 + 25 * Math.sin(step));
+  print(tab(indent), toggleWord ? "CREATIVE" : "COMPUTING");
+  toggleWord = !toggleWord;
+}
+
+function print(...messages) {
+  console.log(messages.join(" "));
+}
+
+function tab(count) {
+  return " ".repeat(count);
+}