Round to at most 2 decimal places (only if necessary)

Question

I'd like to round at most 2 decimal places, but only if necessary.

Input:

10 1.7777777 9.1

Output:

10 1.78 9.1

How can I do this in JavaScript?

Answer 1

To round of till 2 decimal places, you can use the following piece of code:-

Math.round(num * 100) / 100

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