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You can use parseInt() function to get the integer part than use that to extract the decimal part. var myNumber = 3.2; var integerPart = parseInt(myNumber); var decimalPart = myNumber - integerPart; Or you could use regex like:
3 mar 2024 · # Get the Decimal Part of a Number in JavaScript. To get the decimal part of a number: Use the toString() method to convert the number to a string. Use the split() method to split the string on the dot. Convert the array element at index 1 to a number to get the decimal part.
25 lip 2024 · The Math.trunc() static method returns the integer part of a number by removing any fractional digits.
30 maj 2024 · The toFixed() method formats a number using fixed-point notation and returns a string representation of the number. This method can be useful for obtaining the exact decimal part of a number by specifying the number of digits after the decimal point. Syntax: number.toFixed(digits); Parameters:
24 cze 2024 · The toFixed() method returns a string representation of a number without using exponential notation and with exactly digits digits after the decimal point. The number is rounded if necessary, and the fractional part is padded with zeros if necessary so that it has the specified length.
Number.parseFloat() and Number.parseInt() are similar to Number() but only convert strings, and have slightly different parsing rules. For example, parseInt() doesn't recognize the decimal point, and parseFloat() doesn't recognize the 0x prefix.
These functions cover all of the possible ways to deal with the decimal part of a number. But what if we’d like to round the number to n-th digit after the decimal? For instance, we have 1.2345 and want to round it to 2 digits, getting only 1.23. There are two ways to do so: Multiply-and-divide.
