update(JS): web/javascript/guide/functions

webdoky · Oct 24, 2022 · 7f01a23 · 7f01a23
1 parent 3a64fa0
commit 7f01a23
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/files/uk/web/javascript/guide/functions/index.md b/files/uk/web/javascript/guide/functions/index.md
@@ -104,7 +104,7 @@ console.log(factorial(3));
 
 ```js
 function map(f, a) {
-  const result = [];
+  const result = new Array(a.length);
   for (let i = 0; i < a.length; i++) {
     result[i] = f(a[i]);
   }
@@ -116,7 +116,7 @@ function map(f, a) {
 
 ```js
 function map(f, a) {
-  const result = [];
+  const result = new Array(a.length);
   for (let i = 0; i < a.length; i++) {
     result[i] = f(a[i]);
   }