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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                **localStorage**用于[持久化的本地存儲](http://www.chengbenchao.top/javascript/855059),除非主動刪除數據,否則數據是永遠不會過期的 **sessionStorage**不是一種持久化的本地存儲,僅僅是[會話級別的存儲](http://www.chengbenchao.top/javascript/855059),頁面關閉就清空; 使用 > localStorage和sessionStorage都具有相同的操作方法,例如setItem、getItem和removeItem,clear; ### 存儲變量的方法: ~~~ /* 設置 */ sessionStorage.setItem("key", "session"); sessionStorage.setItem("a","hello") localStorage.setItem("site", "local"); /* 獲取 */ var key = sessionStorage.getItem("key"); var site = localStorage.getItem("site"); /* 移除 */ sessionStorage.removeItem("key"); localStorage.removeItem("site"); /* 清空 */ sessionStorage.clear(); localStorage.clear(); ~~~ ~~~ //遍歷sessionStorage sessionStorage.setItem("key", "session"); sessionStorage.setItem("a","hello") console.log(sessionStorage); for(var key in sessionStorage){ console.log(sessionStorage.getItem(key)); } ~~~ ~~~ Cookie Chrome不支持cookie的本地調試 https://github.com/js-cookie/js-cookie <script src="https://cdn.jsdelivr.net/npm/js-cookie@2/src/js.cookie.min.js"></script> //創建cookies 一直有效 Cookies.set('name', 'value'); //設置有效期 Cookies.set('name', 'value', { expires: 7 }); //讀取Cookies Cookies.get('name') 刪除Cookies Cookies.remove("name") ~~~ ### 存儲對象的方法: ~~~ 使用localstorage.setItem()存儲對象 使用localstorage.setItem(name,value)存儲JSON對象時會發現瀏覽器存儲的內容為[object,object],并不是我們想要的內容,這是因為我們在存儲的時候沒有進行類型轉換,因此我們在使用localstorage.setItem()進行對象存儲之前需要使用JSON.stringify(object)進行類型轉換,轉換成JSON字符串后進行存儲就會是我們想要的樣子了{‘xxx’:‘11111’} ~~~ ### vue中緩存的運用 ~~~ <keep-alive exclude="details,City"> <router-view></router-view> </keep-alive> ~~~
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                              哎呀哎呀视频在线观看