limit float decimal javascript code example

Example 1: js number with four decimal places

var myNumber = 2;

myNumber.toFixed(2); //returns "2.00"
myNumber.toFixed(1); //returns "2.0"

Example 2: rounding number to x decimals javascript

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

Example 3: coffeescript float to two decimal places

number = 24.54616515.toFixed 2    #24.55