javascript to wait for dwr result...

var answer=false;

function callDWR(){

   MyClass.doSomething(returnFunction);
 
}



function returnFunction(result){

answer =result;

}




//my javascript to call the above functions...

callDWR();
if(answer){

  //do something else
}


is it possible to wait for dwr to return result before executing the subsequent code?  in other words, wait for dwr to return result before calling  if(answer)...

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