The syntax of the toExponential() method is:
num.toExponential(fractionDigits)
Here, num is a number.
Number toExponential() Parameters
The toExponential() method takes in:
- fractionDigits (Optional) - An integer specifying the number of digits after the decimal point. By default, it is as many digits as necessary to specify the number.
Return value from Number toExponential()
- Returns a string representing the given
Numberobject in exponential notation, rounded tofractionDigitsdigits after the decimal point.
Example: Using Number.toExponential()
let num = 695.8457;
let exp_num = num.toExponential();
console.log(exp_num); // 6.958457e+2
let exp_num1 = num.toExponential(2);
console.log(exp_num1); // 6.96e+2
Output
6.958457e+2 6.96e+2
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