Update initializeArrayWithRange sinppets

Array.from(arrayLike[, mapFn[, thisArg]]) instand of `Array.map()` to fill with the desired values in a range
2018-08-13 09:36:54 +08:00
parent a5dc1a2592
commit 30b17c9b7b
1 changed files with 1 additions and 1 deletions
--- a/snippets/initializeArrayWithRange.md
+++ b/snippets/initializeArrayWithRange.md
@ -8,7 +8,7 @@ You can omit `step` to use a default value of `1`.

 ```js
 const initializeArrayWithRange = (end, start = 0, step = 1) =>
-  Array.from({ length: Math.ceil((end + 1 - start) / step) }).map((v, i) => i * step + start);
+  Array.from({length: Math.ceil((end - start + 1) / step)}, (v, i) => i * step + start);
 ```

 ```js