Update off.md

2018-01-06 03:00:03 +11:00
parent d3d41516d8
commit 36fb776003
1 changed files with 1 additions and 1 deletions
--- a/snippets/off.md
+++ b/snippets/off.md
@ -2,7 +2,7 @@

 Removes an event listener from an element.

-Use `EventTarget.removeEventListener()` to remove an event listener from an element.
+Use `EventTarget.removeEventListener()` to remove an event listener from an element. Omit the fourth argument `opts` to use `false` or specify it based on the options used when the event listener was added.

 ```js
 const off = (el, evt, fn, opts = false) => el.removeEventListener(evt, fn, opts);