window.history.go(0)
window.location.reload()
window.location.href=location.href
window.location.assign(location.href)
document.execCommand(‘Refresh’)
window.navigate(location.href)
window.navigate(“#pos”);
window.location.replace(location.href)
window.open(‘自身的文件’,’_self’)
————-
location.reload(flag)
flag =true 不从缓存读取
＝false 从缓存读取