In this article, we will look at 3 different ways to round a number to 2 decimal places in JavaScript.
Math Related
The JavaScript function Math.pow()
The Math.pow() function in JavaScript is used to raise a number (called the base) to a certain power (called the exponent). The syntax for using this function is Math.pow(base, exponent). For example, to raise 2 to the power of 3, you would use the following code: In this example, 2 is the base and 3 […]
The JavaScript function Math.floor()
The JavaScript function Math.floor() is used to round a number down to the nearest integer. This function takes a single argument, which is the number that you want to round down. For example, if you wanted to round the number 4.7 down to the nearest integer, you would use the following code: As you can […]
The JavaScript function Math.abs()
The JavaScript function Math.abs() is a built-in function that returns the absolute value of a number. The absolute value of a number is its distance from zero, regardless of whether the number is positive or negative. Here is an example of how to use the Math.abs() function: In the above example, num1 is assigned the […]
Arithmetic Operators in JavaScript
JavaScript has several arithmetic operators that are used to perform mathematical operations on numbers. These operators include: Addition (+): This operator is used to add two or more numbers together. Subtraction (-): This operator is used to subtract one number from another. Multiplication (*): This operator is used to multiply two or more numbers together. […]
Generate a random number in a given range with JavaScript
The following snippet returns a random number between min (inclusive) and max (exclusive).
Get the largest number from a set of numbers
Math.max() returns the largest number from a set of numbers. Pass each number in as an argument.
Return the largest integer less than or equal to a number
Returns the largest integer (whole number) less than or equal to a number.
Get the absolute value of a number with JavaScript
Get the absolute (positive) value of a number.
Format a number to a fixed number of decimal places
Format a number to a fixed number of decimal places. Pass in the number of decimal places as an argument