我有一堆div类。container分散在我的页面。当我滚动到。container时,我想用jquery触发一个动画,但是我希望动画只在那个div上。
$('.container').waypoint(function(direction){
$this = $(this);
$(function(){
//$this here selects the last div with class .container
});
},{offset: 'bottom-in-view'});
如何只选择我滚动到的当前div ?
编辑
对不起,我误解你了。下面的代码应该允许我们通过scroll事件检测到容器何时进入视图'use strict';
$(function() {
var containers = $('.container');
function isScrolledIntoView(elem) {
var docViewTop = $(window).scrollTop();
var docViewBottom = docViewTop + $(window).height();
var elemTop = $(elem).offset().top;
var elemBottom = elemTop + $(elem).height();
return ((elemBottom <= docViewBottom) && (elemTop >= docViewTop));
}
window.onscroll = function (event) {
for (var i = 0; i < containers.length; i++) {
var container = containers[i];
if (isScrolledIntoView(container)) {
// animate as needed here
console.log('you can see' + container.innerHTML);
}
}
};
});
isScrolledIntoViewfunction从这里被无耻地移除。