$(function () {
$('#w_grid-1548214983685 .p_gridbox').css("height", "50px");
$('#w_grid-1548161796418 .p_gridbox').css("height", "50px");
$('#w_grid-1548162605954 .p_gridbox').css("height", "50px");
$('#w_grid-1548162878501 .p_gridbox').css("height", "50px");
$('#w_grid-1548163094537 .p_gridbox').css("height", "50px");
$('#w_grid-1548203961613 .p_gridbox').css("height", "50px");
$('#w_grid-1548204133559 .p_gridbox').css("height", "50px");
$('#w_grid-1548204564245 .p_gridbox').css("height", "50px");
});
function scrollEvent() {
window.onscroll = function(e){
scrollFunc();
if(scrollDirection == 'down'){
//页面向下滚动要做的事情
console.log('页面向下滚动');
$('.p_NavBox').parents('.p_gridbox').css({
height:0
})
}
else if(scrollDirection == 'up'){
//页面向上滚动要做的事情
console.log('页面向上滚动');
$('.p_NavBox').parents('.p_gridbox').css({
height:'50px'
})
}
}
}
scrollEvent();
var scrollAction = {
x: 'undefined',
y: 'undefined'
},
scrollDirection;
function scrollFunc() {
if (typeof scrollAction.x == 'undefined') {
scrollAction.x = window.pageXOffset;
scrollAction.y = window.pageYOffset;
}
var diffX = scrollAction.x - window.pageXOffset;
var diffY = scrollAction.y - window.pageYOffset;
if (diffX < 0) {
// Scroll right
scrollDirection = 'right';
} else if (diffX > 0) {
// Scroll left
scrollDirection = 'left';
} else if (diffY < 0) {
// Scroll down
scrollDirection = 'down';
} else if (diffY > 0) {
// Scroll up
scrollDirection = 'up';
} else {
// First scroll event
}
scrollAction.x = window.pageXOffset;
scrollAction.y = window.pageYOffset;
}