text: // Delete the notification
  document.getElementById("notification-delete").onclick = function() {
      document.getElementById("notification-modal").className = "modal"
  }
  
  // Read the content of a file and put it into the number field
  document.getElementById("read").onclick = function() {
      const input = document.querySelector("input[type=file]")
      if (input.files.length === 0) {
          console.log('No file selected.')
          return
      }
  
      const reader = new FileReader();
      reader.onload = function fileReadCompleted() {
          let content = reader.result.substring(
              0,
              parseInt(document.getElementById("digits").value)
          )
  
          document.getElementById("number").value = content
      };
      reader.readAsText(input.files[0]);
  }