Number.prototype.toExponential

Returns a string containing a number represented in exponential notation.

Syntax

toExponential(fractionDigits?)

Parameters

• fractionDigits optional

  Number of digits after the decimal point. Must be in the range from 0 to 100, inclusive. If omitted, as many digits as necessary are used to represent the number.

Return value

A string.

Examples

(123456789).toExponential(2)

"1.23e+8"