监听页面的滚动事件
mounted() {
this.$nextTick(() => {
window.addEventListener("scroll", this.handleScroll);
})
}
获取页面的滚动高度
this.$nextTick(() => {
let scrollTop = window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop;
})
获取商品的offsetTop
this.$nextTick(() => {
let scrollTop = window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop;
if (this.$refs.goodsItem) {
let offsetTop = this.$refs.goodsItem.offsetTop
if (offsetTop - scrollTop < 880 && offsetTop - scrollTop > 400 && !this.arrList.includes(this.goodsObj.defaultId)) {
this.arrList.push(this.goodsObj.defaultId)
// 商品曝光事件
}
}
}）
