Truncate/round whole number in JavaScript?

Question

For a script I\'m writing, I need display a number that has been rounded, but not the decimal or anything past it. I\'ve gotten down to rounding it to the third place, but I

Answer 1

Math.trunc() function removes all the fractional digits.

For positive number it behaves exactly the same as Math.floor():

console.log(Math.trunc(89.13349)); // output is 89

For negative numbers it behaves same as Math.ceil():

console.log(Math.trunc(-89.13349)); //output is -89