ES6 - toPrecision()


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This method returns a string representing the number object to the specified precision.

Syntax

number.toPrecision( [ precision ] ) 

Parameter Details

  • precision − An integer specifying the number of significant digits.

Return Value

Returns a string representing a Number object in fixed-point or exponential notation rounded toprecision significant digits.

Example

var num = new Number(7.123456); 
console.log(num.toPrecision()); 
console.log(num.toPrecision(1)); 
console.log(num.toPrecision(2));

Output

7.123456 
7 
7.1  

es6_number.htm

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