Math.floor(5.9) //5 Math.ceil(5.1) //6 Math.round(9.5) //10 5.3 >> 0 //5 (same as Math.floor) 7.9 >> 0 //7 (same as Math.floor)
Math.floor(5.9) // 5 rounds down Math.ceil(5.1) // 6 rounds up Math.round(5.5) // 6 round to nearest integer Math.trunc(5.1) // 5 removes fractional part