AutoSave Feature In Salesforce.

This feature is very much essential because sometimes  user might accidentally close or navigate to some other page.That's why we need to save data.I have implemented javascript and actionFunction to get AutoSave features...

This is my page...

<apex:page StandardController="Account" extensions="savecontroller">
     <apex:form >
         <apex:pageBlock >
         <!-- The action function which calles the Apex function 'autosave' -->
              <apex:actionFunction name="autosave" action="{!autosave}" rerender="out" status="savestatus"/>
              <!-- A status denotion of the update -->
              <apex:actionStatus id="savestatus">
                  <apex:facet name="start"> Auto Saving....<img src="/img/loading.gif"/> </apex:facet>
             </apex:actionStatus>
            <apex:pageblocksection columns="2">
                <apex:inputfield value="{!Account.Name}"/>
                <apex:inputfield value="{!Account.BillingCity}"/>
                <apex:inputfield value="{!Account.BillingCountry}"/>
               <apex:inputfield value="{!Account.BillingState}"/>
           </apex:pageblocksection>     
       </apex:pageblock>

     <!-- A javascript recursive function which calls itself every 10 seconds, the setTimeout method calls the       apex function 'autosave' defined in the <apex:actionfunction> tag above -->
     <script>
             window.setTimeout(recursivecall,10000);
             function recursivecall()
            {
                window.setTimeout(recursivecall,10000);
                autosave();
            }   
     </script>
  </apex:form>      

</apex:page>

 

My controller is...

public class savecontroller {
private final Account acct;
    public savecontroller(ApexPages.StandardController controller) {
        this.acct = (Account)controller.getRecord();
    }
    public void autosave()
    {
        update acct;
    }   
}

This might help other developers.