JavaScript Number Methods
Published Aug 5, 2021Updated Oct 8, 2022
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The Number object is used to represent numbers, like 3.14, -10, or 2022, and it comes with a handful of methods that’s useful for handling with numbers.
JavaScript treats primitive values as objects when it’s executing methods and properties.
Number Methods
- .EPSILON
- Defines the smallest positive difference between 1 and the next representable floating-point number in JavaScript.
- .isFinite()
- Determines whether the passed value is a finite number.
- .isInteger()
- Determines whether the passed value is an integer.
- .isNaN()
- Determines whether the passed value is NaN.
- .isSafeInteger()
- Checks whether the passed value is a safe integer.
- .MAX_SAFE_INTEGER
- Represents the largest integer that JavaScript can use while maintaining exact precision.
- .MAX_VALUE
- Represents the largest numeric value that can be represented in JavaScript.
- .MIN_SAFE_INTEGER
- Represents the smallest safe integer in JavaScript, below which integer precision is not guaranteed.
- .MIN_VALUE
- Returns the smallest positive number representable in JavaScript, greater than 0.
- .parseFloat()
- Converts a string to a floating-point number.
- .parseInt()
- Converts a string into an integer.
- .toExponential()
- Converts a number to a string of its exponential form.
- .toFixed()
- Converts a number to a string of its fixed-point decimal form.
- .toLocaleString()
- Converts a date to a string of its language-sensitive form.
- .toPrecision()
- Converts a number to a string of its specified precision form.
- .toString()
- Converts a number to a string.
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