read a csv file in javascript

index.tsx
// Select the file input element
const input = document.querySelector('input[type="file"]');

// Add an event listener to the file input element
input.addEventListener('change', function() {
  // Create a new FileReader object
  const reader = new FileReader();
  
  // Add an event listener to the FileReader object
  reader.addEventListener('load', function() {
    // Get the contents of the CSV file
    const csv = reader.result;
    
    // Parse the CSV using Papaparse
    const results = Papa.parse(csv);
    
    // Log the parsed CSV to the console
    console.log(results.data);
  });
  
  // Read the selected file as text
  reader.readAsText(this.files[0]);
});
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