On this basis, it intuitively makes sense for five of the values to round down and for the other five to round up; that is, for the five values 3.0 through 3.4 to round down to 3, and for the ...

However, if you use Math.Round to perform the addition, JavaScript rounds the value to 3. This method, which works in all browsers, rounds numbers to the next integer if the result is 0.5 or ...