Created
July 20, 2011 23:07
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HTML5 Local Storage with Expiration
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AZHU.storage = { | |
save : function(key, jsonData, expirationMin){ | |
if (!Modernizr.localstorage){return false;} | |
var expirationMS = expirationMin * 60 * 1000; | |
var record = {value: JSON.stringify(jsonData), timestamp: new Date().getTime() + expirationMS} | |
localStorage.setItem(key, JSON.stringify(record)); | |
return jsonData; | |
}, | |
load : function(key){ | |
if (!Modernizr.localstorage){return false;} | |
var record = JSON.parse(localStorage.getItem(key)); | |
if (!record){return false;} | |
return (new Date().getTime() < record.timestamp && JSON.parse(record.value)); | |
} | |
} |
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This code has one problem (as I see!?), it didn't delete the expired cache.
https://github.com/liesislukas/localstorage-ttl/blob/master/index.js