beforeunload

Lightweight plugin to track form changes and prevents loosing unsaved edits. No dependencies.

Blazor hook into native Window beforeunload with async/await and cancel support

Send data to a Google Form using sendBeacon() after the user is finished with the page.

Prevent page unloading from the user's action

Alerts the user when leaving a page without saving the changes.

A lightweight Vue 3 composable for preventing accidental navigation with unsaved changes.

Hide the Close button on tabs that have a BeforeUnload prompt pending.

Call one last function as a user leaves your web application

Prevent screen transition if any state changed.

Nested unsaved-changes guards for Vue 3: scopes that nest, so a dirty form inside a modal inside a drawer collapses into one route guard and one beforeunload.

useRefreshLock - Ensure that user allow the browser to refresh

Native Unsaved-Changes Guard. Protect native browser forms from lost edits with an accessible TypeScript controller that preserves labels, focus order, and browser-native warnings.

[토이프로젝트_JS] ] 제로베이스 자바스크립트 미션1. 토글사이드 네비게이션