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JavaScript local storage

/ Published in: JavaScript
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Here's how to use this:

* To access something in the local storage, type `Evan.local('name')`. You may need to use `JSON.parse()` on this result. Returns `null` if nothing's there.
* To assign something in the local storage, type `Evan.local('name', value)`.
* To remove something from the local storage, type `Evan.local('name', null)`.

This may not work if private browsing is enabled (eg, on Safari for iOS).

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  1. // Accessor: local('key')
  2. // Setter: local('key', value)
  3. // Destroyer: local('key', null)
  4. Evan.local = function(key, value) {
  5.  
  6. 	// Getter
  7. 	if (arguments.length === 1)
  8. 		return localStorage.getItem(key);
  9.  
  10. 	// Clear it no matter what (for iOS)
  11. 	localStorage.removeItem(key);
  12.  
  13. 	// Setter
  14. 	if (value !== null) {
  15. 		if ((typeof value !== 'string') && (!(value instanceof String)))
  16. 			value = JSON.stringify(value);
  17. 		localStorage.setItem(key, value);
  18. 	}
  19.  
  20. };

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