Question

How to round to 2 decimal places in JavaScript

Answer 1

let num = 82.4780;
let rounded = num.toFixed(2);
console.log(rounded);

num = 82.6780;
rounded = num.toFixed(2);
console.log(rounded);



/*
run:

82.48
82.68

*/

 

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Answer 2

let num = 82.4780;
let rounded = parseFloat(num.toFixed(2));
console.log(rounded);

num = 82.6780;
rounded = parseFloat(num.toFixed(2));
console.log(rounded);



/*
run:

82.48
82.68

*/

 

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Answer 3

let strNum = "82.4780";
let rounded = parseFloat(strNum).toFixed(2);
console.log(rounded);

strNum = "82.6780";
rounded = parseFloat(strNum).toFixed(2);
console.log(rounded);



/*
run:

82.48
82.68

*/

 

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Answer 4

function formatToTwoDecimals(num) {
    return Math.round(num * 100) / 100;
}

let num = 82.4780;
let rounded = formatToTwoDecimals(num);
console.log(rounded);

num = 82.6780;
rounded = formatToTwoDecimals(num);
console.log(rounded);



/*
run:

82.48
82.68

*/

 

70+ SQL courses for beginners and professionals