More firefox import fixes (#128)

sample/programs/javascript/recursion.js

@@ -0,0 +1,41 @@
+function alpha(depth) {
+  if (depth > 15 * Math.random()) {
+    return
+  }
+  beta(depth + 1)
+  delta()
+  gamma()
+}
+
+function beta(depth) {
+  alpha(depth + 1)
+  for (let i = 0; i < 10; i++) {
+    gamma()
+  }
+}
+
+function delta() {
+  for (let i = 0; i < 10; i++) {
+    gamma()
+  }
+}
+
+function gamma() {
+  let prod = 1
+  for (let i = 1; i < 1000; i++) {
+    prod *= i
+  }
+  return prod
+}
+
+function main() {
+  for (let i = 0; i < 100; i++) {
+    alpha(0)
+  }
+}
+
+console.profile('recursion')
+main()
+setTimeout(() => {
+  console.profileEnd('recursion')
+}, 0)