JavaScript Number toFixed()

The syntax of the toFixed() method is:

num.toFixed(digits)

Here, num is a number.

Number toFixed() Parameters

The toFixed() method takes in:

• digits (Optional) - Value between 0 and 20 representing the number of digits to appear after the decimal point. By default, it is 0.

Return value from Number toFixed()

• Returns a String representing the given number using fixed-point notation.

Note: The toFixed() method throws a RangeError if digits is not in between 1 and 100.

Example: Using Number toFixed()

let num = 57.77583;

console.log(num.toFixed()); // 58-> rounded off, no fractional part
console.log(num.toFixed(1)); // 57.8
console.log(num.toFixed(7)); // 57.7758300 -> Added zeros
console.log(num.toFixed(2)); // 57.78

console.log((5.68e20).toFixed(2)); // 568000000000000000000.00
console.log((1.23e-10).toFixed(2)); // 0.00
console.log((-2.34).toFixed(1)); // -2.3

Output

58
57.8
57.7758300
57.78
568000000000000000000.00
0.00
-2.3

Recommended Readings:

• JavaScript Number toPrecision()