setprecision

Limit the number of decimals in a double value.

setprecision(2.2222, 2); // "2.22"
setprecision(2.2222, 4); // "2.2222"
setprecision(2.2222, 0); // "2"

Syntax

setprecision(doubleValue, numDecimals)

Returns

The modified value as a string.