Delete GitHub Actions workflow runs easily from the web browser

delete_gha_workflow_runs.js

// Quickly deletes GitHub Actions workflow runs using the GitHub web user interface using a web browser and scripting.
// Tested on 2024-04-13.
// 1. Go to a cluttered GitHub Actions workflow runs listing page,
//    e.g. https://github.com/OWNER/REPO/actions/workflows/ci.yaml.
// 2. Make absolutely sure you want to delete all of the workflow runs on the currently loaded page.
// 3. Paste the following snippet into the web browser's JavaScript console.
// 4. Wait a brief moment for "Done" to appear in the console.
// 5. Reload the page or navigate to another page.
// 6. Repeat if needed.

Promise.all(
    [...document.querySelectorAll("form")]
        .filter(e => e.action.includes("/actions/runs/") && e.method === "post")
        .filter(e => e._method && e._method.value === "delete")
        .map(e => fetch(e.action, { method: "POST", body: new FormData(e) }))
).then(() => console.log("Done")).catch(console.error)