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JavaScript Number Properties





Property
Description


EPSILON
The difference between 1 and the smallest number > 1.


MAX_VALUE
The largest number possible in JavaScript


MIN_VALUE
The smallest number possible in JavaScript


MAX_SAFE_INTEGER
The maximum safe integer (253 - 1)


MIN_SAFE_INTEGER
The minimum safe integer -(253 - 1)


POSITIVE_INFINITY
Infinity (returned on overflow)


NEGATIVE_INFINITY
Negative infinity (returned on overflow)


NaN
A "Not-a-Number" value




JavaScript EPSILON
Number.EPSILON is the difference between
the smallest floating point number greater than 1 and 1.

Example

let x = Number.EPSILON;

Try
it Yourself »


Note
Number.EPSILON is an ES6 feature.
It does not work in Internet Explorer.


JavaScript MAX_VALUE
Number.MAX_VALUE is a constant representing the largest possible number in JavaScript.

Example

let x = Number.MAX_VALUE;

Try
it Yourself »


Number Properties Cannot be Used on Variables
Number properties belong to the JavaScript Number Object.
These properties can only be accessed as Number.MAX_VALUE.
Using x.MAX_VALUE, where x is a variable or a value,
will return undefined:


Example

let x = 6;
x.MAX_VALUE

Try
it Yourself »


JavaScript MIN_VALUE
Number.MIN_VALUE is a constant representing the lowest possible number in JavaScript.

Example

let x = Number.MIN_VALUE;

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it Yourself »


JavaScript MAX_SAFE_INTEGER
Number.MAX_SAFE_INTEGER represents the maximum safe integer in JavaScript.
Number.MAX_SAFE_INTEGER is (253 - 1).

Example

let x = Number.MAX_SAFE_INTEGER;

Try
it Yourself »


JavaScript MIN_SAFE_INTEGER
Number.MIN_SAFE_INTEGER represents the minimum safe integer in JavaScript.
Number.MIN_SAFE_INTEGER is -(253 - 1).

Example

let x = Number.MIN_SAFE_INTEGER;

Try
it Yourself »


Note
MAX_SAFE_INTEGER and
MIN_SAFE_INTEGER are ES6 features.
They do not work in Internet Explorer.








JavaScript POSITIVE_INFINITY

Example

let x = Number.POSITIVE_INFINITY;

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it Yourself »
POSITIVE_INFINITY is returned on overflow:

let x = 1 / 0;

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it Yourself »


JavaScript NEGATIVE_INFINITY

Example

let x = Number.NEGATIVE_INFINITY;

Try
it Yourself »
NEGATIVE_INFINITY is returned on overflow:

let x = -1 / 0;

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it Yourself »


JavaScript NaN - Not a Number
NaN is a JavaScript reserved word for a number that is not a legal number.

Examples

let x = Number.NaN;

Try
it Yourself »
Trying to do arithmetic with a non-numeric string will result in NaN (Not a
Number):

let x = 100 / "Apple";


Try it Yourself »



Complete JavaScript Number Reference
For a complete Number reference, visit our:
Complete JavaScript Number Reference.
The reference contains descriptions and examples of all Number properties and methods.












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+1

Reference: https://www.w3schools.com/js/js_number_properties.asp