image.html - mozsearch

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<!DOCTYPE html>

<script>

onload=function(){

  var img = new Image();

  img.src = "http://example.com/tests/dom/serviceworkers/test/fetch/upgrade-insecure/image-20px.png";

  img.onload = function() {

    window.parent.postMessage({status: "image", data: img.width}, "*");

};

  img.onerror = function() {

    window.parent.postMessage({status: "image", data: "error"}, "*");

};

};

</script>