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hexo-blog/themes/hexo-theme-Tsu/source/js/back-to-top.js
2021-06-05 03:45:20 -05:00

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$(function(){
//当滚动条的位置处于距顶部100像素以下时跳转链接出现否则消失
$(function () {
$(window).scroll(function(){
if ($(window).scrollTop()>100){
$("#back-to-top").fadeIn(1500);
}
else
{
$("#back-to-top").fadeOut(1500);
}
});
//当点击跳转链接后,回到页面顶部位置
$("#back-to-top").click(function(){
//$('body,html').animate({scrollTop:0},1000);
if ($('html').scrollTop()) {
$('html').animate({ scrollTop: 0 }, 1000);
return false;
}
$('body').animate({ scrollTop: 0 }, 1000);
return false;
});
});
});