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I'm trying to get data from apex which is in this form Map<String1, List<Map<String2,String3>>> to use it in javascript before returning a result to the apex controller..

I have tried to do it this way but my webpage keep refreshing and the content of my variable is 'false' ( I have figured this out by using console.log(myVariable); )

 <apex:actionFunction action="{!myApexMethod}" name="getResult"/>

 <script>
   var res = getResult();
   console.log(res);
 </script>

Controller code..

public String jsonResult{get; set;} 
public Map<String,List<Map<String,String>>> myData  = getResult(); 

public void getResult(){
        jsonResult = JSON.serialize(myData);
    }

It's just a little part the getResult() method is so long to write here.. but you can see what type of object it returns..

1 Answer 1

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After storing the results of the myApexMethod in a property in your controller this will rerender the script block and get the updated value This should work:

<apex:actionFunction action="{!myApexMethod}" name="getResult" rerender="script_block"/>

<apex:outPutPanel layout="block" id="script_block">
 <script>
   var res = "{!controller_property}";
   console.log(res);
 </script>
</apex:outPutPanel>

You would be better served using Visualforce Remoteing for these types of things though.

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  • 1
    If you're going to use the method here from Eric, make sure that you escape your string for JS using '{!JSENCODE(controller_property}'. Otherwise you'll get tripped up by Irish names and so on (O'Hara etc).
    – Aidan
    Commented Nov 12, 2015 at 14:16
  • I have tried that but still I don't have the right content.. the result is null
    – Joey Pablo
    Commented Nov 12, 2015 at 14:41
  • @JoeyPablo - you will have to post the relevant part of your controller code in order to assist any more
    – Eric
    Commented Nov 12, 2015 at 14:42
  • @Eric okay i'll edit my question right now to add some of my controller code
    – Joey Pablo
    Commented Nov 12, 2015 at 14:46

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