$(window).bind("scroll", function () {
if(getScrollHeight() == getDocumentTop() + getWindowHeight()){
//当滚动条到底时,触发内容
//ajax_function()
alert("滑动到的底部");
}
});
//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("文档高度scrollTop:"+scrollTop);
return scrollTop;
}
//可视窗口高度
function getWindowHeight() {
var windowHeight = 0;
if (patMode == "CSS1Compat") {
windowHeight = document.documentElement.clientHeight;
} else {
windowHeight = document.body.clientHeight;
}
console.log("可视窗口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("滚动高度scrollHeight:"+scrollHeight);
return scrollHeight;
}
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