toPrecision

public string toPrecision(int precision)

The double value formatted using to the given precision.

Parameters

precision

The number of significant digits in the final formatted value. This number can be between 1 and 21 (inclusive).

Formats the double value to the given precision. The formatted value will be returned as a string.

System.Exceptions.OutOfRangeException will be thrown if the supplied argument for the significant digits is not an integer between 1 and 21 (inclusive).

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import System;   System.Double x = new System.Double(1d); Console.log(x.toPrecision(1)); // "1" Console.log(x.toPrecision(2)); // "1.0" Console.log(x.toPrecision(5)); // "1.0000" Console.log(x.toPrecision(7)); // "1.000000"