sessionStorage 、localStorage、cookie

Like in requests initiated by web services,

With cookies in http header

content

Clear immediately after closing window

Even if they are different windows from the same origin

No operation method, string operation method

Format: "key=value;expires=time"

A set of operating methods

setItem(), getItem(),

removeItem(), clear()

Also

localStorage['key 1']='value 1'

none

setItem(), removeItem()

Onstorage is triggered after clear() is called

event