<!DOCTYPE html> <html lang="ja"> <head> <script src="https://code.jquery.com/jquery-3.1.1.min.js"></script> <script> $(function(){ var reader; function onChange(event) { reader.readAsText(event.target.files[0]); } function onLoad(event) { console.log(JSON.parse(event.target.result)); } reader = new FileReader(); reader.onload = onLoad; $('input[type="file"]').on('change', onChange); }); </script>
