//There are meny ways of rounding... Math.floor(5.5) //Answer 5, it alwas rounds down. Math.round(5.5) //Answer 6, it simpily rounds to the closest whole number. Math.ceil(5.5) //Answer 6, it alwas rounds up. //You can do more things too... Math.floor(5.57 * 10) / 10 //Answer 5.5, the number turns into 55.7, Then gets floored (55.0), Then gets divied, (5.5).
var avg=10.55; console.log(Math.round(avg)); //Prints 11
how to round number in js