摘要: 1. Set 数组去重 // 事件监听防重复 const listenedEvents = new Set(); function safeAddEvent(eventName, handler) { if (!listenedEvents.has(eventName)) { window.addE 阅读全文
posted @ 2025-11-12 11:35 卷叶小树 阅读(4) 评论(0) 推荐(0)