From 12e4e658289c00468843ed1dcbc852e117302128 Mon Sep 17 00:00:00 2001
From: codersjj <shanewestlife@outlook.com>
Date: Sun, 8 May 2022 09:43:53 +0800
Subject: [PATCH] refactor(event-bus): simplify the for loop in the off()
 method

---
 src/event-bus.js | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/src/event-bus.js b/src/event-bus.js
index d2e8416..9eb4440 100644
--- a/src/event-bus.js
+++ b/src/event-bus.js
@@ -65,12 +65,10 @@ class HYEventBus {
 
     const handlers = this.eventBus[eventName]
     if (handlers && eventCallback) {
-      const newHandlers = [...handlers]
-      for (let i = 0; i < newHandlers.length; i++) {
-        const handler = newHandlers[i]
+      for (let i = handlers.length - 1; i >= 0; i--) {
+        const handler = handlers[i]
         if (handler.eventCallback === eventCallback) {
-          const index = handlers.indexOf(handler)
-          handlers.splice(index, 1)
+          handlers.splice(i, 1)
         }
       }
     }