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Methods of jquery and JS Operation Localstorage/sessionstorage

Source: Internet
Author: User
Tags sessionstorage
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methods of jquery and JS Operation Localstorage/sessionstorageLocalstorage
    • is the optimization of cookies
    • Data storage with no time limit
    • Not readable in privacy mode
    • Size limit is around 5 million characters, each browser is inconsistent
    • Shared in all homologous windows
    • The essence is to read and write files, the number of data will compare cards (Firefox will import data into memory at a time)
    • Cannot be crawled by crawlers, do not use it to completely replace URL parameters
    • IE7 and below are not supported, other standard browsers are fully supported
Sessionstorage
    • Data storage for a session
    • Size limit is around 5M, each browser is inconsistent
    • Valid only until the current browser window is closed (for session validation)
    • Not shared in different browser windows, even on the same page
How to operate under JS
    • Get key value: Localstorage.getitem ("key")
    • Set key value: Localstorage.setitem ("Key", "value")
    • Clear key value: Localstorage.removeitem ("key")
    • Clear all Key values: Localstorage.clear ()
    • Gets the key value 2:localstorage.keyname
    • Set key Value 2:localstorage.keyname = "Value"
Operation Method under JQ (JS method before adding "window.") ）
    • Get key value: Window.localStorage.getItem ("key")
    • Set key value: Window.localStorage.setItem ("Key", "value")
    • Clear key value: Window.localStorage.removeItem ("key")
    • Clear all Key values: Window.localStorage.clear ()
    • Gets the key value 2:window.localstorage.keyname
    • Set key Value 2:window.localstorage.keyname = "Value"

Demo

<!DOCTYPE HTML><HTML><HeadLang= "en">    <MetaCharSet= "UTF-8">    <title></title>    <Scripttype= "Text/javascript"CharSet= "Utf-8"src= "Js/jquery.min.js"></Script>    <Scripttype= "Text/javascript">        //JS Operation sectionLocalstorage.jsa="JSA";        document.write (LOCALSTORAGE.JSA); Localstorage.setitem ('JSb','&nbsp; JSB'); document.write (Localstorage.getitem ('JSb')); //jquery Operations Section        $(function() {window.localStorage.JQa="JQA"; $("#a"). Text (window.localStorage.JQa); Window.localStorage.setItem ('JQb','JQB'); $("#b"). Text (Window.localStorage.getItem ('JQb'));    }); </Script></Head><Body>    <PID= "a"></P>    <PID= "B"></P></Body></HTML>

Methods of jquery and JS Operation Localstorage/sessionstorage

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