PageTransitionEvent.persisted

只读属性persisted代表一个页面是否从缓存中加载的

Syntax

window.addEventListener('pageshow', function(event) {
  if (event.persisted) {
    console.log('Page was loaded from cache.');
  }
});

Specification	Status	Comment
HTML Living Standard PageTransitionEvent: persisted	Living Standard	Initial definition

BCD tables only load in the browser