Both of these work except sometimes a decimal of 5 is rounded down instead of up. To round down to the next lower integer use the Mathfloor function. The JavaScript If all you need to do is round a decimal number to an integer one line of code can do the job.
T here is no built-in method to round to a certain number of digits in JavaScript.
If you click the save button your code will be saved and you get a URL you can share with others. To round off any number to any decimal place we can use this method by first multiplying the input number with 10 decimal place so in our case it is 2 that is Mathround314159265359 10 2 and then divide it by 10 decimal place like Mathround314159265359 10 2 10 2 so it will now round off the given number to 2 decimal places. Previous JavaScript Math Object Next. To round up to the next higher integer use the Mathceil function.