//滚动时保存滚动位置
$(window).scroll(function () {
console.log($(window).scrollTop());
if ($(document).scrollTop() != 0) {
localStorage.setItem("offsetTop", $(window).scrollTop());
}
});
//onload时,取出并滚动到上次保存位置
window.onload = function () {
var offset = localStorage.getItem("offsetTop");
console.log(offset);
$(document).scrollTop(offset);
};
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