Command in Java for "all opened documents"

I have a script that needs modification. Thank you all in the forum for helping me design this script from start btw!

Anyway, this is the script.

var myDoc = app.activeDocument;

app.findGrepPreferences = app.changeGrepPreferences = null;

// Change "Condition 1" to name of your condition

myConditionList = app.activeDocument.conditions.everyItem().getElements();

for (i=myConditionList.length-1; i>=0; i--)

{

    if (myConditionList[i].visible == false)

    {

        myConditionList[i].visible = true;

        app.findGrepPreferences.appliedConditions = [myConditionList[i].name] ;

        app.findGrepPreferences.findWhat = ".+";

        myDoc.changeGrep();

        app.activeDocument.conditions.item(myConditionList[i].name).remove();

    }

}

I'm looking for a variable that can apply for "all" opened documents rather than the active one only. I'm having difficulty finding the right command.

BTW, the script removes all hidden text and objects.