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To handle rounding to any number of decimal places, a function with 2 lines of code will suffice for most needs. Here's some sample code to play with.
Learn how to format a number with two decimals in JavaScript. You can use the toFixed() method to format a number to only show two decimals. Note that the result is rounded (shows 5.57 instead of 5.56): If you want to display three decimals, just change the number to 3: Tip: Learn more about the toFixed () method in our JavaScript Reference.
To round to two decimal places in JavaScript, you can use a combination of multiplication and the Math.round() function. We have to do it this way since Math.round() only takes one argument - you can't specify what decimal place to round to. Here's how it works: let roundedNum = Math.round(num * 100) / 100;
16 wrz 2024 · You can round a number to 2 decimal places in JavaScript using methods like toFixed(), Math.round(), toPrecision(), custom helper functions, or external libraries like lodash. Which method...
The toFixed() method in JavaScript rounds a number to a specified number of decimal places and returns the result as a string. We can use this method to round a number to two decimal places. Here’s an example: let num = 5.647; let roundedNum = num.toFixed(2); console.log(roundedNum); // Output: 5.65
28 maj 2023 · Here's how you can use the toFixed() method to round numbers to 2 decimal places: const roundedNumber = number.toFixed(2); . console.log(roundedNumber); // Output: "3.14" In this method, you call the toFixed() method on a number and provide the desired number of decimal places as an argument.
3 mar 2024 · Use the toFixed() method to format a number to 2 decimal places, e.g. num.toFixed(2). The toFixed method takes a parameter, representing how many digits should appear after the decimal and returns the result.
