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1-js/02-first-steps/14-function-basics/4-pow/solution.md

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+
+```js run demo
+function pow(x, n) {
+  let result = x;
+
+  for (let i = 1; i < n; i++) {
+    result *= x;
+  }
+
+  return result;
+}
+
+let x = prompt("x?", '');
+let n = prompt("n?", '');
+
+if (n <= 1) {
+  alert(`Power ${n} is not supported,
+    use an integer greater than 0`);
+} else {
+  alert( pow(x, n) );
+}
+```
+