Number.MAX_VALUE

Try it

function multiply(x, y) {
  if (x * y > Number.MAX_VALUE) {
    return "Process as Infinity";
  }
  return x * y;
}
console.log(multiply(1.7976931348623157e308, 1));
// Expected output: 1.7976931348623157e+308
console.log(multiply(1.7976931348623157e308, 2));
// Expected output: "Process as Infinity"

Value

2¹⁰²⁴ - 2⁹⁷¹, or approximately 1.7976931348623157E+308.

Description

Values larger than MAX_VALUE are represented as Infinity and will lose their actual value.

Because MAX_VALUE is a static property of Number, you always use it as Number.MAX_VALUE, rather than as a property of a number value.

Examples

Using MAX_VALUE

The following code multiplies two numeric values. If the result is less than or equal to MAX_VALUE, the func1 function is called; otherwise, the func2 function is called.

if (num1 * num2 <= Number.MAX_VALUE) {
  func1();
} else {
  func2();
}

Specifications

Browser compatibility

See also

• Number.MIN_VALUE
• Number