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/* eslint-env browser */
const submitBtn = document.querySelector('#submit');
const fileInput = document.querySelector('#file');
const fileOutput = document.querySelector('#fileoutput');
fileInput.addEventListener('change', () => {
const reader = new FileReader();
reader.addEventListener('load', () => {
const text = reader.result;
fileOutput.value = text;
submitBtn.disabled = false;
});
// eslint-disable-next-line unicorn/prefer-blob-reading-methods
reader.readAsText(fileInput.files[0]);
});
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