Sometimes, we want to round up a number in JavaScript.

In this article, we’ll look at how to round up a number in JavaScript.

How to round up a number in JavaScript?

To round up a number in JavaScript, we can use the Math.round method with the toFixed method.

For instance, we write

const n = (Math.round(price * 10) / 10).toFixed(2);

to multiply price by 10.

Then we call Math.round to round the number.

And then we divide the rounded by 10 return the number rounded up to the nearest 10.

And then we call toFixed with 2 to return a string with the numbered rounded to 2 decimal places.

Conclusion

To round up a number in JavaScript, we can use the Math.round method with the toFixed method.