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Listing 5.5. app.js—Reading data from localStorage
At this point you're probably wondering how your application is going to read data from
localStorage when you haven't actually saved anything in the first place. Fear not!
You're going to solve that problem next by creating a function that will save the user's se-
lected settings to localStorage .
5.2.2. Saving data to localStorage
Saving the user's settings is relatively easy. Save data in localStorage by using its
Web Storage API method setItem , passing two arguments: a key and value.
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