[This is preliminary documentation and subject to change]
Returns a string containing a number represented in exponential notation.
numObj.toExponential([fractionDigits])
numObj
Required. A Number object.
fractionDigits
Optional. Number of digits after the decimal point. Must be in the range 0 – 20, inclusive.
The toExponential method returns a string representation of a number in exponential notation. The string contains one digit before the significand's decimal point, and may contain fractionDigits digits after it.
If fractionDigits is not supplied, the toExponential method returns as many digits necessary to uniquely specify the number.
toFixed Method | toPrecision Method
Applies To: Number Object