From 9f7bcd717ad16fe08c4483dbfb98673e683dafca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=99=B8=E4=B9=98=E5=A3=B9?= <1926742214@qq.com>
Date: Tue, 15 Oct 2024 17:52:45 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=F0=9F=90=9B=20taro-h5=20=E5=A4=84?=
 =?UTF-8?q?=E7=90=86IntersectionObserver=E5=88=9D=E5=A7=8B=E5=8C=96?=
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---
 packages/taro-h5/src/api/wxml/IntersectionObserver.ts | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/packages/taro-h5/src/api/wxml/IntersectionObserver.ts b/packages/taro-h5/src/api/wxml/IntersectionObserver.ts
index f6569bbc04f4..f05487eff08d 100644
--- a/packages/taro-h5/src/api/wxml/IntersectionObserver.ts
+++ b/packages/taro-h5/src/api/wxml/IntersectionObserver.ts
@@ -61,10 +61,14 @@ export class TaroH5IntersectionObserver implements Taro.IntersectionObserver {
           // 使用时间戳而不是entry.time，跟微信小程序一致
           time: Date.now(),
         }
+        
         // web端会默认首次触发
-        if (!this._isInited && this._options.initialRatio <= Math.min.apply(Math, this._options.thresholds)) {
+        if (!this._isInited) {
           // 初始的相交比例，如果调用时检测到的相交比例与这个值不相等且达到阈值，则会触发一次监听器的回调函数。
-          return
+          const [min, max] = [Math.min(this._options.initialRatio, entry.intersectionRatio), Math.max(this._options.initialRatio, entry.intersectionRatio)];
+          if(this._options.initialRatio === entry.intersectionRatio || !this._options.thresholds.some(value => value >= min && value <= max)) {
+            return
+          }
         }
         _callback && _callback.call(this, result)
       })