Get The Entered Value On Number Input Field, Not The Parsed

I'm doing input validation on the following field and I want to set a default value. What I mean by default value is I want to set some value to input field if the field is empty.

Solution 1:

Looks like you need to parse exponential values into numbers.

I think, this solution should help you: https://stackoverflow.com/a/18719988/6420563

This solution made for text field but i think it will also work for number input.