Module supporting local-storage.
Methods
(static) clear()
Remove all keys in the local storage.
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(static) getItem()
Take a key and return its value from the local storage if the key exists, otherwise, return null.
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(static) initSync()
Set up a new persistent storage in the file system. This must be called before calling any other functions in localStorage.
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(static) key()
Return a key with index n, or null if it is not present.
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(static) length()
Return the number of keys stored in the local storage.
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(static) remove()
Take a key and remove it from the local storage.
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(static) setItem()
Take a key-value pair and store the pair into the local storage.