Round a Number to Decimal Points in JavaScript

Today we decided to write a simple article on how to round a number to decimal points in JavaScript.

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Use the toFixed() method to round a number to decimal place in JavaScript. The toFixed() method is used to return a string representation of a number of digits after the decimal point.

The toFixed() method is used to format a number using fixed-point notation. It can be used to format a number with a specific number of digits to the right of the decimal.

Example 1:

Here, .toFixed(2) method convert the 28.319921 number into number with only 2 decimal points.

Example 2:

The .toFixed(3) method keeping three decimals even though they’re zero.

Example 3:

Now, we will convert the number with decimal points to a rounded whole number. If we give a value of 0 to the .toFixed() method, it will round the whole number. Also If there is no parameter passed in the toFixed() method then it doesn’t display any digits after the decimal place.

That’s it for today.

Thanks for reading and happy coding!

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