Floor Vs Round Javascript

Because floor is a static method of math you always use it as math floor rather than as a method of a math object you created math is not a constructor.

Floor vs round javascript.

Double float int long. The math floor method is used to round off the number passed as a parameter to its nearest integer in downward direction of rounding i e. If the passed argument is an integer the value will not be rounded. Javascript uses three methods to achieve this.

Math floor x parameters x a number. Towards the lesser value. The ceil method rounds a number upwards to the nearest integer and returns the result. Difference between math floor and math round javascript i do not want an answer like.

This method accepts single parameter asmentioned above and described below. Math floor always rounds down to the nearest integer while math round will round up or down depending on what side of 5 the number falls on. Math round rounds to the nearest integer if the fraction is 0 5 or greater rounds up math floor rounds down math ceil rounds up. A number representing the largest integer less than or equal to the specified number.

So the basic answer is that you use which one gets the result you expect. The final rounded value depends on the fractional part. When it comes to generating random numbers though math floor has a more even distribution than math round. Returns the closed int or long as per the argument double or float.

This method will resemble what you probably learned in school if you were paying more attention than me. Returns the smallest integer that is greater than or equal to the argument. Returns the smallest of the two arguments.