Worker: error event - Web APIs | MDN (original) (raw)

Baseline

Widely available

The error event of the Worker interface fires when an error occurs in the worker.

Syntax

Use the event name in methods like addEventListener(), or set an event handler property.

addEventListener("error", (event) => { })

onerror = (event) => { }

Event type

Example

The following code snippet creates a Worker object using the Worker() constructor and sets up an onerror handler on the resulting object:

const myWorker = new Worker("worker.js");

myWorker.onerror = (event) => {
  console.log("There is an error with your worker!");
};

Specifications

Specification
HTML # handler-abstractworker-onerror

Browser compatibility