.toFixed()

The .toFixed() method converts a number to a string of its fixed-point decimal form.

num.toFixed(digits);

• digits (optional) is the number of digits to keep after the decimal point. The default is 0.

Converting number to a string:

const x = 5;

console.log(x.toFixed(3));
// Output: 5.000

To verify if it is a string:

const x = 5;

console.log(typeof x.toFixed(3));
// Output: string

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