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POJquery deferred call back oddness
primarykey
Id
7278511
data
AcceptedAnswerId
7278589
AnswerCount
4
ClosedDate
CommentCount
4
CommunityOwnedDate
CreationDate
2011-09-02T01:51:28.837
FavoriteCount
0
LastActivityDate
2011-09-02T05:25:06.967
LastEditDate
2011-09-02T02:13:15.453
LastEditorUserId
166838
OwnerUserId
500959
ParentId
0
PostTypeId
1
Score
0
ViewCount
324
LastEditorDisplayName
text
Body
I was playing around with call backs and deferred functions in jQuery and was wondering if anyone could tell me why this works <a href="http://jsfiddle.net/austinbv/QVujr/" rel="nofollow">http://jsfiddle.net/austinbv/QVujr/</a> <pre><code> get_each_total = function(callback) { var requests; requests = []; var url; url = "http://otter.topsy.com/search.js?callback=?&apikey=38A260E9D12A4908B1AF9184B691131&q=justin+bieber&window=d"; return requests.push($.getJSON(url, function(data) { })); return $.when.apply($, requests).then(function() { callback(); }, function() { return alert("There was an error communicating with a remote library, try again in a few"); }); }; get_each_total_broken = function(callback) { var requests; requests = []; var url; url = "http://otter.topsy.com/hjhkl/sehjkhhkjhkarch.js?callback=?&apikey=38A260E9D12A4908B1AF9184B691131&q=justin+bieber&window=d"; return requests.push($.getJSON(url, function(data) { })); return $.when.apply($, requests).then(function() { callback(); }, function() { return alert("There was an error communicating with a remote library, try again in a few"); }); }; $(function () { get_each_total(alert("success")); get_each_total_broken(alert("fail")); }); </code></pre> and this does not <a href="http://jsfiddle.net/austinbv/wzve6/" rel="nofollow">http://jsfiddle.net/austinbv/wzve6/</a> <pre><code> get_each_total = function(callback) { var requests; requests = []; var url; url = "http://otter.topsy.com/search.js?callback=?&apikey=38A260E9D12A4908B1AF9184B691131&q=justin+bieber&window=d"; return requests.push($.getJSON(url, function(data) { })); return $.when.apply($, requests).then(function() { callback(); }, function() { return alert("There was an error communicating with a remote library, try again in a few"); }); }; get_each_total_broken = function(callback) { var requests; requests = []; var url; url = "http://otter.topsy.com/hjhkl/sehjkhhkjhkarch.js?callback=?&apikey=38A260E9D12A4908B1AF9184B691131&q=justin+bieber&window=d"; return requests.push($.getJSON(url, function(data) { })); return $.when.apply($, requests).then(function() { callback(); }, function() { return alert("There was an error communicating with a remote library, try again in a few"); }); }; $(function () { get_each_total(function () { alert("success")}); get_each_total_broken(function () {alert("fail")}); }); </code></pre> as you can see the only difference is in the last two lines, where an anonymous function wraps the callback. Any insight would be nice.
Tags
<jquery><callback><jquery-deferred>
Title
Jquery deferred call back oddness
singulars
PostAcceptedAnswerId
1. PO
 singulars
 PostTypePostTypeId
 PTAnswer
PostParentId
1. This table or related slice is empty.
PostTypePostTypeId
1. PTQuestion
UserLastEditorUserId
1. USElf Sternberg
UserOwnerUserId
1. USaustinbv
plurals
PostLinksPostIdRelatedPostId
1. This table or related slice is empty.
PostLinksRelatedPostIdPostId
1. PL
 singulars
 LinkTypeLinkTypeId
 LTLinked
PostsAcceptedAnswerId
1. This table or related slice is empty.
PostsParentIdCreationDate
1. PO
 singulars
 PostTypePostTypeId
 PTAnswer
2. PO
 singulars
 PostTypePostTypeId
 PTAnswer
3. PO
 singulars
 PostTypePostTypeId
 PTAnswer
VotesPostIdCreationDate
1. This table or related slice is empty.
CommentsPostId

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