decimal round up javascript code example

Example 1: rounding off numbers javascript

Math.round(3.14159 * 100) / 100  // 3.14

3.14159.toFixed(2);              // 3.14 returns a string
parseFloat(3.14159.toFixed(2));  // 3.14 returns a number

Example 2: round number 2 decimals javascript

Math.round((num + Number.EPSILON) * 100) / 100