Loading... ```javascript //返回true 或者 false $(document).height() == $(window).height() + $(window).scrollTop() //监听触底事件 $(window).scroll( function() { var scrollTop = $(this).scrollTop(); var scrollHeight = $(document).height(); var windowHeight = $(this).height(); if (scrollTop + windowHeight == scrollHeight) { // 此处写滚动条到底部时候触发的事件 alert('已经到底了,别再滑了!'); } } ); //2 $(window).scroll(()=>{ if($(document).height() == $(window).height() + $(window).scrollTop()){ // 此处写滚动条到底部时候触发的事件 alert('已经到底了,别再滑了!'); } }) ``` 原生写法 ```js // 自定义事件 function ajax_function() { alert("自定义事件内容"); } var timeoutInt; // 要保证最后要运行一次 window.onscroll = function () { setTimeout(function () { if (timeoutInt != undefined) { window.clearTimeout(timeoutInt); } timeoutInt = window.setTimeout(function () { //监听事件内容 if(getScrollHeight() == getDocumentTop() + getWindowHeight()){ //当滚动条到底时,这里是触发内容 //异步请求数据,局部刷新dom ajax_function() } }, 105); }, 100); } //文档高度 function getDocumentTop() { var scrollTop = 0, bodyScrollTop = 0, documentScrollTop = 0; if (document.body) { bodyScrollTop = document.body.scrollTop; } if (document.documentElement) { documentScrollTop = document.documentElement.scrollTop; } scrollTop = (bodyScrollTop - documentScrollTop > 0) ? bodyScrollTop : documentScrollTop; console.log("scrollTop:"+scrollTop); return scrollTop; } //可视窗口高度 function getWindowHeight() { var windowHeight = 0; if (document.compatMode == "CSS1Compat") { windowHeight = document.documentElement.clientHeight; } else { windowHeight = document.body.clientHeight; } console.log("windowHeight:"+windowHeight); return windowHeight; } //滚动条滚动高度 function getScrollHeight() { var scrollHeight = 0, bodyScrollHeight = 0, documentScrollHeight = 0; if (document.body) { bodyScrollHeight = document.body.scrollHeight; } if (document.documentElement) { documentScrollHeight = document.documentElement.scrollHeight; } scrollHeight = (bodyScrollHeight - documentScrollHeight > 0) ? bodyScrollHeight : documentScrollHeight; console.log("scrollHeight:"+scrollHeight); return scrollHeight; } ``` 最后修改:2021 年 06 月 17 日 © 允许规范转载 打赏 赞赏作者 微信 赞 0 如果觉得我的文章对你有用,请随意赞赏
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