Make _.head avoid accessing array when its length is 0.

2026-02-06 09:47:48 +00:00 · 2016-04-11 17:30:15 -07:00
parent 93168e6018
commit 091b5fbe30
2 changed files with 4 additions and 5 deletions
--- a/lodash.js
+++ b/lodash.js
@@ -6415,7 +6415,7 @@
     * // => undefined
     */
    function head(array) {
-      return array ? array[0] : undefined;
+      return (array && array.length) ? array[0] : undefined;
    }

    /**