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I am developing an Hybrid android app using HTML5 which will work completely offline.

Today morning when I opened the app, I saw that all the data stored in localStorage was cleared.

Under what scenarios can the localStorage get cleared?

Given these scenarios, is it a good idea to use localStorage?

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    "is it a good idea to use localStorage?" That depends on what you want to store there. You cannot expect it to be permanent, so design your application to take that into account. – CodesInChaos Dec 11 '13 at 15:47
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This will look different/appear differently on browsers but with the example of Google Chrome, these are the different ways in which localStorage for your application can be erased:

1. Individually deleting localStorage keys in the Developer Tools menu: enter image description here

2. Clearing browser history/cache/cookies/etc. enter image description here

3. Un-installing the browser itself.

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