fix index typo

2018-01-06 00:26:30 +11:00
parent 4c0cce5824
commit 39e096055a
1 changed files with 1 additions and 1 deletions
--- a/snippets/createEventHub.md
+++ b/snippets/createEventHub.md
@ -22,7 +22,7 @@ const createEventHub = () => ({
  },
  off(event, handler) {
    const i = this.hub[event].findIndex(h => h === handler);
-    if (i) this.hub[event].splice(i, 1);
+    if (i > -1) this.hub[event].splice(i, 1);
  }
 });
 ```