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POCallbacks with parameters
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Id
17911592
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AcceptedAnswerId
17911692
AnswerCount
1
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0
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CreationDate
2013-07-28T18:46:25.960
FavoriteCount
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LastActivityDate
2013-07-28T18:55:11.597
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1811899
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PostTypeId
1
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1
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72
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text
Body
I have jQuery function: <pre><code>$('#fetch').click( function() { ... GetPage( curPage, items, DrawItemSet( items ) ) }); </code></pre> As you can see, I want the callback function DrawItemSet be executed from inside GetPage function. Sometimes, I need to call not DrawItemSet but some other functions.. I just want to any function I need to be called from GetPage function. It is necessary to do some afterwork after (as you may guesses) I get the page. In this example I want to display some data. In other cases I want not to display some text, but, for example, swap information got from GetPage function. In that case, my idea was to write something like: <pre><code>... GetPage( curPage, items, SwapItemSet( oldItems ) ) </code></pre> As fo now, everything seems to be ok. Here's my GetPage listing: <pre><code>function GetPage( pageNum, collection, callback ) { console.log( 'Starting to get page number ' + pageNum ) $.ajax({ url: 'http://www.xxxxxxxxxxx.php?page=' + pageNum, type: 'get', dataType: '', success: function(data) { ... console.log( 'Curpage=' + curPage + ' MaxPage=' + maxPages ) if( curPage < maxPages ) { curPage = curPage + 1 GetPage( curPage, collection, callback ) } else { console.log( 'passed' ) callback() } } }); } </code></pre> As you can see this function calls itself while there are some pages left to fetch, and if there's no page left, the callback function should be called to do some stuff. The callback example you can see below (just for testing): <pre><code>function DrawItemSet() { console.log( 'DrawItemSet called.' ) ... } </code></pre> My problem is that in theory everything looks ok, and I should get in the console DrawItemSet as the last message meaning that the callback function was called after the fetching is being finished. Well.. instead of it I get the following: <pre><code>DrawItemSet called. Starting to get page number 1 Curpage=1 MaxPage=2 Starting to get page number 2 Curpage=2 MaxPage=2 passed </code></pre> And this means that somehow the callback is the first function being executed. How so?!
Tags
<javascript><callback>
Title
Callbacks with parameters
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1. PO
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1. USAstro
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 POCallbacks with parameters
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