AggregateError: errors

Baseline Widely available

This feature is well established and works across many devices and browser versions. It's been available across browsers since September 2020.

The errors data property of an AggregateError instance contains an array representing the errors that were aggregated.

Value

An Array containing values in the same order as the iterable passed as the first argument of the AggregateError() constructor.

Property attributes of `AggregateError: errors`
Writable	yes
Enumerable	no
Configurable	yes

Examples

Using errors

try {
  throw new AggregateError(
    // An iterable of errors
    new Set([new Error("some error"), new Error("another error")]),
    "Multiple errors thrown",
  );
} catch (err) {
  console.log(err.errors);
  // [
  //   Error: some error,
  //   Error: another error
  // ]
}

Specifications

Specification
ECMAScript® 2027 Language Specification # sec-aggregate-error

Browser compatibility