Javascript Math Floor Vs Math Round

Math round vs math ceil vs math floor javascript performance comparison.

Javascript math floor vs math round.

Wouldn t math round be a better choice for the youhit variable since it would round to 0 if 5 and up to 1 if 5 causing a random pattern of 1 s and 0 s. Because ceil is a static method of math you always use it as math ceil rather than as a method of a math object you created math is not a constructor. Difference between math floor and math round javascript i do not want an answer like. Math floor x parameters x a number.

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. Syntax math ceil x parameters x a number. 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. For accurate results please disable firebug before running the tests.

This method accepts single parameter asmentioned above and described below. Test case created by on 2011 12 8. The floor method rounds a number downwards to the nearest integer and returns the result. Math round math round method round off number passed as parameter to its nearest integer so as to get lower value.

Towards the lesser value. In the below example when a number 5 34 passed as a parameter math round round off it in to 5 which is a lower value than actual number. Revision 8 of this test case created by john david dalton on 2011 6 29 and last updated on 2011 10 14. While both successfully round off its containing parameter to an integer within the designated range math floor does so more evenly so the resulting integer isn t lopsided towards either end of the number spectrum what is the real difference.

If the passed argument is an integer the value will not be rounded. It is the value which is to be tested for math floor. A number representing the largest integer less than or equal to the specified number. Math round math floor rounds the number generated by math random down to the last integer meaning that it would always just round down to 0.