toString() removes the zero at the right [duplicate]

StackOverflow https://stackoverflow.com/questions/21297938

  •  01-10-2022
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Question

I have a number, 2.0e-14, and I want to convert it to string. I'm using (2.0e-14).toString(), and what I get is the string 2e-14, because it's removing the zeroes at the right.

Is there any way of keep the zero at the right than to manipulating the string?

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Solution

Use the Number toPrecision method.

(2.0e-14).toPrecision(2)
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