problem description
is now developing an h5 news site, but in safair, click the back button, the page will be refreshed, and the things loaded asynchronously will be brushed off. To continue to brush down from the beginning, how can you let safair go back without refreshing, or what its refreshing mechanism is, and why some websites do not refresh when they go back?
for example, the very old ones do not refresh: https://wap.win7china.com/