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JavaScript Number method: toPrecision()

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The toPrecision() method (when applied to JavaScript numbers) returns a string representing the number with a fixed number of significant digits.

 

It has the following syntax with the following parameters:

 

number.toPrecision(n)

 

Parameter

Required / Optional

Description

n

Optional

(default is 0), Integer indicating number of digits. If omitted then returns a string representation of the entire number (without any formatting)

 


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