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JS no pudo ejecutar 'readAsText' en 'FileReader': el parámetro 1 no es del tipo 'Blob'
  • Estoy tratando de leer el contenido de un archivo csv tomando una entrada en un Microsoft Office Excel add-in .
  • Enfrentando el error como taskpane.js:84 TypeError: Failed to execute 'readAsText' on 'FileReader': parameter 1 is not of type 'Blob'.
  • HTML
 <form> <input type="file" id="csv-file"> <button type="submit" id="csv-data">Submit</button> </form>
  • JS
 async function import_from_csv() { try { var file = document.getElementById("csv-file"); var files = file[0]; var reader = new FileReader(); reader.readAsText(files); reader.onload = function (event) { var csv = event.target.result; var data = $.csv.toArrays(csv); console.log("Data =", data); }; } catch (error) { console.error(error); } }
about 4 years ago · Santiago Trujillo
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