// 自定义事件
function ajax_function() {
//alert("自定义事件内容");
getMore();
}
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;
}
javascript 滑动底部加载事件
猜你喜欢
转载自blog.csdn.net/caideb/article/details/81114035
今日推荐
周排行