14 lines
365 B
HTML
14 lines
365 B
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<body>
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<script>
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'use strict';
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// Create a blob and get its URL.
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const blob = new Blob(["TEST"], { type: "text/plain" });
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const blob_url = URL.createObjectURL(blob);
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// Send the blob URL back to the opener.
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window.parent.postMessage({ type: "blobURL", message: blob_url }, "*");
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</script>
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</body>
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