Count Number of digits in a number in Javascript

count the total number of digits of a number in javascript

const count = n => String((Math.abs(n))).length;

count(123); // ➞ 3
count(-45678); // ➞ 5
count(8912); // ➞ 4

javascript count digits

var length = (number + '').replace('.', '').replace('-', '').length;  // for numbers that can be floats or negatives

Conclusion

In this page (written and validated by A. Gawali) you learned about . What's Next? If you are interested in completing Javascript tutorial, we encourage you simply to start here: Javascript Tutorial.

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