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21 lines
484 B
HTML
21 lines
484 B
HTML
<!DOCTYPE html>
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<script>
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var width, url;
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function maybeReport() {
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if (width !== undefined && url !== undefined) {
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window.parent.postMessage({status: "result",
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width: width,
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url: url}, "*");
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}
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}
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onload = function() {
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width = document.querySelector("img").width;
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maybeReport();
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};
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navigator.serviceWorker.onmessage = function(event) {
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url = event.data;
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maybeReport();
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};
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</script>
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<img src="image-20px.png">
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