Parse and Render

Type Detection

String cells are converted into numbers so quantities and prices can be formatted and aligned.

Program

CSV parsers start with strings. Browser table code often converts selected columns before formatting numeric output.

type_detection.html 
<script>
  const rows = [["item","qty","price"],["Cable","3","12.50"],["Hub","1","39.00"]];
  const typed = rows.slice(1).map(row => ({
    item: row[0],
    qty: Number(row[1]),
    price: Number(row[2])
  }));
  renderCurrencyTable(typed);
</script>
type conversion Type conversion changes text cells into numbers, dates, or booleans.
formatting Formatting controls how typed values appear in the rendered table.