JS how to get integer

Hello everyone , I meet you again , I'm your friend, Quan Jun .

1. Discard the fraction , Keep the integer part parseInt(5/2)

2. Rounding up , If there is a decimal, add... To the whole part 1

Math.ceil(5/2)

3, rounding .

Math.round(5/2)

4, Rounding down

Math.floor(5/2)

Publisher ： Full stack programmer stack length , Reprint please indicate the source ：https://javaforall.cn/148577.html Link to the original text ：https://javaforall.cn