Know when the game is ready from html/javascript

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Ade2600

  • I am trying to pass in some initial data to the game similar to this post:

    http://www.scirra.com/forum/global-variables_topic50853.html

    However this example uses a button click and I am trying to do this onload

    I have a game that is being contained in an iframe and I am currently doing this from the parent:

    iframe.onload = function()
  {
     iframe.contentWindow.setVars();
  }

    The setVars function defined in the index.html used as the iframe src looks like this:

    function setVars(){     
               var gameIDField = document.getElementById("gameID");
               var gameID = "2";
               gameIDField.value = gameID;
          }

    gameIDField is an offscreen textbox in the game with id "gameID"

    It seems that the onload is not enough to wait because I'm getting gameIDField as null. I would really like this to be event based if possible, maybe I'm just missing something.

    I have confirmed that this will set the text if forcing to script to wait a second or two, but this is not acceptable for a solution

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