//用来处理 里盒子滚完外盒子滚的问题 scrollUnique(who){ document.getElementsByClassName(who)[0].addEventListener('mousewheel',function($event:any){ var scrollTop = this.scrollTop, scrollHeight = this.scrollHeight, height = this.clientHeight; var delta = ($event.wheelDelta) ? $event.wheelDelta : -($event.detail || 0); if ((delta > 0 && scrollTop <= delta) || (delta < 0 && scrollHeight - height - scrollTop <= -1 * delta)) { // IE浏览器下滚动会跨越边界直接影响父级滚动,因此,临界时候手动边界滚动定位 this.scrollTop = delta > 0? 0: scrollHeight; // 向上滚 || 向下滚 event.preventDefault(); } }) }
没有做兼容和通用,自己改改即可用