<!DOCTYPE html>    
<html lang="en">    
<head>    
    <meta charset="UTF-8">    
    <title>移动端网页滑动到底部触发事件</title>  
    <style type="text/css">  
        .m-test {height: 2000px;background: green;}
    </style>   
</head>    
<body>
<div id="m-test" class="m-test"></div>

<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.js"></script>
<script type="text/javascript">
var flag=1;
var rgb = 0;
$(window).bind("scroll", function () {
    if(getScrollHeight() < getDocumentTop() + getWindowHeight() + 200){
        //当滚动条到底时,这里是触发内容
        //异步请求数据,局部刷新dom
        //ajax_function()
        if (flag == 1) {
            flag=0;
            var temp = `<div style="height:500px; background:rgb(100,${rgb},${rgb});"></div>`;
            $('body').append(temp);
            rgb = rgb + 20;
            flag = 1;
        }
    }
});

//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;
}
</script>
</body>    
</html>

移动端网页滑动到底部触发事件_html