one decimal place javascript code example

Example 1: math.round js 1 decimal

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

Example 2: javascript show 2 decimal places

var myNumber=12.2345;
var myNumberWithTwoDecimalPlaces=parseFloat(myNumber).toFixed(2); //12.23

Example 3: javascript round to 2 digits

var num = 2;
var roundedString = num.toFixed(2);// 2.00

Example 4: rounding number to x decimals javascript

let num = 12.5452411;
num = num.toFixed(3); // 12.545

Example 5: round to nearest decimal javascript

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