round to decimal places js code example

Example 1: javascript round to 2 decimal places

var subTotal="12.1345";// can also be int, float, string
var subTotalFormatted=parseFloat(subTotal).toFixed(2); //"12.13"

Example 2: math.round js 1 decimal

var number = 12.3456789;
var rounded = Math.round( number * 10 ) / 10;
// rounded is 12.3

Example 3: round to nearest decimal javascript

round(12345.6789, 2) // 12345.68
round(12345.6789, 1) // 12345.7

Example 4: round number 2 decimals javascript

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

Example 5: round to nearest decimal javascript

round(12345.6789, -1) // 12350
round(12345.6789, -2) // 12300