Integer depth

integer-depth/index.js

@@ -0,0 +1,10 @@
+// https://www.codewars.com/kata/integer-depth/javascript
+
+function computeDepth(x) {
+  const d = new Set();
+  for (let i = 1;; ++i) {
+    [...(x*i + '')].map(n => d.add(n));
+    if (d.size === 10) return i;
+  }
+  return 10;
+}