JS

ROUND OFF NUMBERS IN JAVASCRIPT

(quick guide & examples)

THE NUMBER var num = 11.23;

JAVASCRIPT ROUNDING OFF

01

FLOOR - ALWAYS ROUND DOWN console.log(Math.floor(num)); // 11

ROUND OFF console.log(Math.round(num)); // 11

CEILING - ALWAYS ROUND UP console.log(Math.ceil(num)); // 12

TRUNCATE - DROP DECIMALS console.log(Math.trunc(num)); // 11

THE NUMBER var num = 11.237;

ROUND OFF TO DECIMAL PLACE

02

ROUND OFF num = Math.round(num);

MULTIPLIER, 2 DECIMAL PLACES = 100 num = num * 100;

REVERT MULTIPLIER num = num / 100;