标签:监听 https ted fse listener detail sea off scroll
1、监听滚动事件
利用VUE写一个在控制台打印当前的scrollTop,
首先,在mounted钩子中给window添加一个滚动滚动监听事件,
mounted () {
window.addEventListener(‘scroll‘, this.handleScroll)
},
然后在方法中,添加这个handleScroll方法
handleScroll () {
var scrollTop = window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop
console.log(scrollTop)
},
2、监听元素到顶部的距离 并判断滚动的距离是否大于元素到顶部的距离
handleScroll () {
var scrollTop = window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop
var offsetTop = document.querySelector(‘#searchBar‘).offsetTop
if (scrollTop > offsetTop) {
...
} else {
...
}
},
转载原文:https://blog.csdn.net/wang1006008051/article/details/78003974
标签:监听 https ted fse listener detail sea off scroll
原文地址:https://www.cnblogs.com/gaocd/p/14071880.html