Number.
Converts a number into a string with a given number of decimal places.
- Returns
- A string with the number written in fixed-point notation.
Example
#const average = 81.66666666666667
console.log(average.toFixed(1))
console.log((5).toFixed(2))
console.log(typeof average.toFixed(1))
console.log((0.1 + 0.2).toFixed(2))Definition and usage
#The toFixed(digits) method rounds a number to the given number of decimal places and returns the result as a string. Missing places are padded with zeros, so (5).toFixed(2) gives "5.00".
The result is text, not a number. It’s fine for display, but for further calculations you need to convert it back with Number().
Rounding inherits the imprecision of floating-point numbers: (1.005).toFixed(2) gives "1.00", because 1.005 is stored in memory as slightly less than 1.005. For currency amounts, use Intl.NumberFormat.
Syntax
#number.toFixed()
number.toFixed(digits)Parameters
#digits
0-100, optional
The number of decimal places. Defaults to 0.
More examples
#console.log((1.005).toFixed(2))
console.log(Math.round(1.005 * 100) / 100)Browser support
#Widely available
Works in all modern browsers, phones included. You can use it without worry.
- Chrome
- Edge
- Firefox
- Safari
Good practices
#- To format amounts with a currency symbol and a thousands separator, use
Intl.NumberFormat, nottoFixed(). - Remember that the result is a string.
Number(x.toFixed(2))gives back a number.
Related entries
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