1 2 <link rel="stylesheet" type="text/css" href="/ShareCode/preview/74717988cea6eeaf4ec6d9e38f2ac53f/css" title="default">3 <script src="/ShareCode/preview/74717988cea6eeaf4ec6d9e38f2ac53f/js" type="text/javascript"></script>4 5 6 <iframe id="destino" name="destino"></iframe>7 8 <form id="miformulario" action="" method="post" enctype="multipart/form-data" target="destino">9 <input type="file" name="archivos" multiple>10 <input type="submit">11 </form>12 13 <button onclick="14 15 var f = document.getElementById('destino');16 f.addEventListener('progress', function(event) {17 logger.log(event);18 }, true);19 logger.log(f);">log!</button>Enlace
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