JavaScript Number toPrecision() method

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The JavaScript number toPrecision() method is used to get the string representing a number of specified precision or length.

Syntax:

Number.toPrecision(n)

Parameters
n: It represents the total number of digits.

Returns
String representation of a number of specified precision.

Example:

<!DOCTYPE html>
<html>
<body>
<script>
var n= 12.334;
document.writeln(n.toPrecision(4));
</script>
</body>
</html>