Do you know if toFixed is a localized function?
I mean, will this:
var n = 100.67287;
alert(n.toFixed(2));
show "100.67" on English US OS/browsers and "100,67" (with comma) on Italian OS/browsers? (Italian or any other local system that uses comma as decimal separator).
Late addition: with Number.toLocaleString() now available on everything bar IE 10 & below, this works, albeit rather long-winded:
var n = 100.67287;
console.log(n.toLocaleString(undefined, {
minimumFractionDigits: 2,
maximumFractionDigits: 2
}));Using undefined or 'default' for the language code will use the browser default language to format the number.
See developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Number/toLocaleString for full details.
If you're free to extend the Number prototype, you could defined Number.toLocaleFixed().
Number.prototype.toLocaleString will format the decimal point according to the locale, e.g. "100,67287" instead of "100.67287". toFixed circumvents this and always uses a .. Your suggestion would use String.prototype.toLocaleString, and it is no longer aware of the numeric properties of n.No, this will always return a point. The ECMA 262-spec [15.7.4.5] states it should be a point.
You can use this:
var n = 100.67287;
alert(parseFloat(n.toFixed(2)).toLocaleString());
On my german system the result is
100,67
No sadly, there is no real solution in pure jQuery/JavaScript. You'll need Globalize. The problem is that both toFixed() and toLocaleString() take a number and return a string. So you can never use them together. :( If you call foo.toFixed(2).toLocaleString() you won't get the localization (i.e. '1.234' in en should be '1,234' in fr) because its working on the result of toFixed() which is a string, not a number. :(
Number.toLocaleString().