round with javascript 1 dec code example

Example 1: rounding number to x decimals javascript

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

Example 2: round to decimal javascript

function round(value, precision) {
    var multiplier = Math.pow(10, precision || 0);
    return Math.round(value * multiplier) / multiplier;
}