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wj-scroll-block

v1.0.2

Published

> 监听window的滚动事件,当被监听的DOM出现在屏幕的相应位置时,触发回调函数,回调函数的参数由{offsetTop, offsetTopHeight, index} > offsetTop是此DOM元素距离文档顶部的距离 > offsetTopHeight是此DOM元素距离文档顶部的距离加上偏移量 > index是当前被监听DOM元素的索引

Downloads

2

Readme

描述

监听window的滚动事件,当被监听的DOM出现在屏幕的相应位置时,触发回调函数,回调函数的参数由{offsetTop, offsetTopHeight, index} offsetTop是此DOM元素距离文档顶部的距离 offsetTopHeight是此DOM元素距离文档顶部的距离加上偏移量 index是当前被监听DOM元素的索引

安装

npm i wj-scroll-block -S

类DomBlockWatcher

构造器参数 classname 是css类名,如.tilte 构造器参数 offsetTopNum 是指顶部的偏移量,比如顶部有导航栏高度为50px,则偏移量为-50

使用方式

import DomBlockWatcher from 'wj-scroll-block';
new DomBlockWatcher('.title', -100).watch((domInfo) => {
    console.log(domInfo);
});

源码地址

https://github.com/WJjack/wj-scroll-block.git