Comments (2)
We discussed this in the TG2 meeting.
We identified a fatal flaw in the currently proposed solution of putting scale
in the main options bag. If you write the following code:
new Intl.NumberFormat("en", { scale: -6 }).format(1e6)
the correct result is "1". However, if you run the same code in older browsers, or browsers that don't support this feature yet, you get "1,000,000", without any errors. In other words, you could have a situation where a new car costs $500 in one browser, but $50,000 in another.
This problem is unique to scale
, because most of the other features we added in Unified NumberFormat are display styles, where the number being rendered does not change. (Measurement units were in the style
property, which would cause an exception.)
The option that would mitigate this problem would be "Version 2" from above. However, the committee didn't like the ergonomics of that option.
The conclusion is to therefore lean on the Decimal proposal to make an exact way to change the scale of a number, and in the mean time, allow for full-precision strings to be formatted.
from proposal-intl-numberformat-v3.
Maybe d3.js-style approach would fit nice here:
new Intl.NumberFormat("en").scale(-6).format(1e6)
from proposal-intl-numberformat-v3.
Related Issues (20)
- Intl.PluralRules does not have the [[RoundingMode]] internal slot required by FormatNumericToString HOT 2
- `formatRangeToParts` produces an empty `source` when `FormatApproximately` is used HOT 2
- FormatNumericToString - isNegative first value clarification HOT 2
- Ordinal formating in NumberFormat HOT 2
- useGrouping's Note is inconsistent with the actual code HOT 1
- ResolvePluralRange does not account for approximately formatted ranges HOT 2
- Clarify that literals can be changed in CollapseNumberRange
- Should "approximatelySign" be renamed to "approximateSign"? HOT 1
- Can the order in which properties are read be more comprehensible? HOT 8
- Can ToRawPrecision and ToRawFixed be made more deterministic? HOT 1
- String(Intl)MV should be defined in ECMA-262 HOT 2
- `FormatNumericToString` will errantly convert -0 to +0 then back to -0 before calling `ToRaw[Precision|Fixed]` HOT 1
- Missing 𝔽 subscript for -0 in FormatNumericToString
- Meta: cross-references are gone
- Simplify PartitionNumberRangePattern
- Hard time to implement IntlMathematicalValue HOT 12
- Clarification on what "precision" means in roundingPriority: morePrecision/lessPrecision HOT 4
- Only passing `roundingIncrement` will throw an error. HOT 3
- Limit exponent of intl mathematical value HOT 7
- Lack of [[Source]] in FormatNumericRangeToParts if returned by FormatApproximately HOT 4
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from proposal-intl-numberformat-v3.