JavaScript round method | Up-Down, Up to decimal example code

The javaScript round method is used to rounds a number to the nearest integer. It can do round up or round down a number. You have to just pass the number as a parameter into the method.

Syntax

Examples of the JavaScript round method

Let’s do round a number to the nearest integer in js:-

Output:

JavaScript round method

Round up

Simply automatic will round up integer (number). If the first decimal above and equal the 5.

ceil() Method also Round a number upward to its nearest integer:

Round down

Same as round up not need specials instructions. If first decimal is below 5.

floor() Method also can use to Round a number downward to its nearest integer:

Round to 2 decimals

Round to 1 decimal

Round to nearest 10

Round to 4 decimal places

Q: How to JavaScript round float?

Answer: Use toFixed() function.

Read more: JavaScript toFixed() method

Do comment if you have any doubts and suggestion on topic.

Note: All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version


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