1.html页面:
<body onload="index_roll()">
...
</body>
2.js
<script type="application/javascript">
//获取滚动条当前的位置
function getScrollTop() {
var scrollTop = 0;
if (document.documentElement && document.documentElement.scrollTop) {
scrollTop = document.documentElement.scrollTop;
}
else if (document.body) {
scrollTop = document.body.scrollTop;
}
return scrollTop;
};
//获取当前可是范围的高度
function getClientHeight() {
var clientHeight = 0;
if (document.body.clientHeight && document.documentElement.clientHeight) {
clientHeight = Math.min(document.body.clientHeight, document.documentElement.clientHeight);
}
else {
clientHeight = Math.max(document.body.clientHeight, document.documentElement.clientHeight);
}
return clientHeight;
};
//获取文档完整的高度
function getScrollHeight() {
return Math.max(document.body.scrollHeight, document.documentElement.scrollHeight);
};
var num=1;
//滚动加载
function index_roll(){
window.addEventListener(‘scroll‘, function(){
if (getScrollTop() + getClientHeight() >= (getScrollHeight()-10)) {
//要执行的方法
console.log("打印"+num);
num++;
}
})
}
</script>
