cross-storage

Cross domain local storage library enabling multiple browser windows/tabs across different domains to share a single localStorage. Provides an API using ES6 promises. Version 1.0.0 is the latest stable release (in maintenance mode). Differentiators: alternative to cookies with larger storage (up to 2.49M chars), avoids request header overhead. Uses hub/client architecture with iframe postMessage communication, enforced origin permissions via RegExp patterns.