javascript - How to set dot(.) at fixed place automatically in javascript?

Question

Please consider the highlighted portion in the image I attached above.

In that portion I want to auto generate the dot after I add the respective digits as required in Field Length Field.

i.e.
Field :- Rate Per Unit
Consider the example of that field

Here I want to auto generate the dot(.) after I press 11.

Answer 1

你在找.toFixed(2)吗？

https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Number/toFixed