scaryrawr / playground-hung-iframe-promise

This project shows a memory leak that can occur if code on the main window awaits a promise from within the iframe before performing memory cleanup. If the iframe is removed before the iframe promise resolves, the awaiting function will halt execution and cleanup code will never run.

Hung Iframe Promise Playground

This project shows a memory leak that can occur if code on the main window awaits a promise from within the iframe before performing memory cleanup. If the iframe is removed before the iframe promise resolves, the awaiting function will halt execution and cleanup code will never run.

For more details see it running live.

Running Locally

1. Clone this repo by running git clone https://github.com/astegmaier/playground-hung-iframe-promise.git
2. Change into the directory by running cd playground-hung-iframe-promise
3. Ensure nodejs is installed.
4. Run npx http-server to start a local server. You can also install http-server globally by running npm install -g http-server and then running http-server directly.
5. Open http://localhost:8080/ in your browser.