JavaScript - get max supported integer value

In this article, we would like to show you how to get supported max integer value in JavaScript.

Quick solution:

JavaScript supports 53 bits integer numbers when we work on number type.

9007199254740991 (in dec) === 11111111111111111111111111111111111111111111111111111 (in bin)

const maxValue = Number.MAX_SAFE_INTEGER;  // 9007199254740991

Practical example

In this example, we print in the console the Number.MAX_SAFE_INTEGER constant that represents the maximum safe integer in JavaScript.

// ONLINE-RUNNER:browser;

console.log(Number.MAX_SAFE_INTEGER);  // 9007199254740991

Output:

9007199254740991

See also

1. JavaScript - get supported min integer value