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When snack‑bars never disappear after the set duration, this guide walks you through the most common causes, quick checks, and fixes— from missing BrowserAnimationsModule to CSS overrides and custom overlay containers.
Goal Determine how to configure Angular Material’s MatSnackBar to deliver timely alerts that are audible‑free yet accessible, while avoiding persistent UI noise. Constraints and Uncertainty Default duration is undefined, causing indefinite persistence. Providing an action string renders a dismiss button; omitting or setting config.actions: [] removes it. Rap
angularmaterial