Cart total floating point

Code reviewCode quality & reviewMid–Senior~16 min

Review this JavaScript cart total + tax routine.

What a strong answer looks like

Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix, specific and kind.

0:00 of about 16 min

Mark a line and say what kind of problem it is.0 findings

1function total(items, taxRate) {

2 let sum = 0;

3 for (const it of items) {

4 sum += it.price * it.qty;

5 }

6 const withTax = sum * (1 + taxRate);

7 return Math.round(withTax * 100) / 100;

9// total([{price: 0.1, qty: 3}], 0) -> ?

Which questions mattered is sealed until you submit. Telling you now would just be handing over the edge cases.