Repeat a string: Difference between revisions

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@@ Line 924: / Line 924: @@
 See the technique of 'Egyptian Multiplication' described in the Rhind Mathematical Papyrus at the British Museum.
-<lang javascript>function nreps(s, n) {
+<lang javascript>(() => {
-  var o = '';
+    'use strict';
-  if (n < 1) return o;
-  while (n > 1) {
-    if (n & 1) o += s;
-    n >>= 1;
-    s += s;
-  }
-  return o + s;
-}
+    // replicate :: Int -> String -> String
-nreps('ha', 50000);</lang>
+    const replicate = (n, s) => {
+        let v = [s],
+            o = [];
+        if (n < 1) return o;
+        while (n > 1) {
+            if (n & 1) o = o + v;
+            n >>= 1;
+            v = v + v;
+        }
+        return o.concat(v);
+    };
+    return replicate(5000, "ha")
+})();</lang>
 =={{header|jq}}==