vue local storage

What is local storage? ?

Through local storage (Local Storage), web applications can store data locally in the user's browser.

localStorage ( permanent storage )

Permanently stored locally unless manually destroyed

存储
localStorage.setItem("id", 123);
 
获取
localStorage.getItem("id");

sessionStorage (destroyed when the page is closed)

destroyed when the page is closed

// 存储
sessionStorage.setItem("id",123);
 
// 获取
sessionStorage.getItem("userid")；