javascript - how to prevent toFixed from rounding off decimal numbers

Question

I\'m very new to html, javascript, and css so please forgive if my question sounds idiotic to you. My question is how can I prevent the function toFixed() from

Answer 1

That's even simpler:

function truncateToDecimals(num, dec = 2) {
  const calcDec = Math.pow(10, dec);
  return Math.trunc(num * calcDec) / calcDec;
}

So:

truncateToDecimals(123456.786) -> 123456.78