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JavaScript Number Methods
let x = 9.656;
x.toFixed(0);
x.toFixed(2);
x.toFixed(4);
x.toFixed(6);
These number methods can be used on all JavaScript numbers:
Method Description
toString() Returns a number as a string
toExponential() Returns a number written in exponential notation
toFixed() Returns a number written with a number of decimals
toPrecision() Returns a number written with a specified length
ValueOf() Returns a number as a number