How do you retrieve this value from chrome.storage?

Question

I'm a real noob to Javascript/JSON, so this might be really obvious. I'm storing values to chrome.storage in a chrome extension JS file:

chrome.storage.sync.set({'username' : username}, function() { console.log('Saved',username); }); chrome.storage.sync.set({'password' : password}, function() { console.log('Saved', username); });

I know it's passed correctly because the console.log returns the right values.

Then I try to retrieve it in my content script, but it only returns [object Object].

chrome.storage.sync.get("username", function (username) { console.log("Passed successfully: Username "+username); studentUsername = username; }); chrome.storage.sync.get('password', function (password) { console.log("Passed successfully: Password "+password); studentUsername = username; });

I'm not sure why it's doing this.

apscience · Accepted Answer · 2015-11-25 23:55:12Z

6

Yes, it always returns an object. You'll have to access the property from the object.

chrome.storage.sync.get("username", function (obj) { console.log("Passed successfully: Username "+obj.username) studentUsername = obj.username; });

answered Nov 25, 2015 at 23:55

apscience

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4 Comments

Teepeemm Over a year ago

The relevant api: developer.chrome.com/extensions/storage#method-StorageArea-get

Xan Over a year ago

BIG RED SCARY WARNING: Assigning the result to a variable within an async callback and hoping it would work may lead to problems.

Zig Mandel Over a year ago

@Xan not the case here thou

Xan Over a year ago

No, but someone using this code could use the warning.

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