TypeScript toPrecision() Function
Last Updated :
15 Oct, 2024
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The toPrecision() method is used to return the string representation in exponential or fixed-point to the specified precision.
Syntax:
number.toPrecision( [ precision ] )Parameters:
It represents an integer value specifying the number of significant digits.
Return Value:
The toPrecision() method in TypeScript returns a string representing a Number in fixed-point or exponential notation round to precision significant digits.
Example 1:
// toPrecision() method
let num = new Number(6.218956);
console.log(num.toPrecision());
console.log(num.toPrecision(4));
console.log(num.toPrecision(3));
Output:
6.218956
6.2189
6.21
Example 2:
// toPrecision() method
let myNumber: number = 32.5779;
console.log("Number Method: toPrecision()");
console.log(myNumber.toPrecision(1));
console.log(myNumber.toPrecision(3));
Output:
Number Method: toPrecision()
3e+1
32.6
