localStorage: an app that remembers
Save an app's state in the browser with localStorage and JSON, and load it back safely when nothing has been saved yet.
- The skill
- Save an app's data in the browser and load it back without crashing on a first visit.
- You make
- A volume slider that remembers, a game inventory that survives a reload and a favourites list.
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Builds on 35 State and render: the data is the truth. Free to try: Web Foundations and the playground.
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4 exercises in this lesson, checked as you type. Premium opens every lesson after Foundations, in all four courses.
HTML, CSS and JavaScript