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POHow to add value to the correct object in a callback function?
 

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  1. POHow to add value to the correct object in a callback function?
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    <p>The code below overwrites the var store every time the while loop runs. So when the callback runs the store value is usually the last item in the store array.</p> <pre><code>var stores = []; stores.push({'address': "1 California Ave, San Francisco, CA"}); stores.push({'address': "16 California Ave, San Francisco, CA"}); stores.push({'address': "20 California Ave, San Francisco, CA"}); stores.push({'address': "30 California Ave, San Francisco, CA"}); var geocoder = new google.maps.Geocoder(); var i = 0; while( i &lt; stores.length){ var store = stores[i]; geocoder.geocode({'address':store.fullAddress}, function(data, status){ store.latlng = data[0].geometry.location; } }); i++; }; </code></pre> <p>How do I add the correct latlng to the correct store?</p> <p>This doesn't work either because the var i is changed as well.</p> <pre><code>var i = 0; var storesObject = {} while( i &lt; stores.length){ var store = stores[i]; storesObject[i] = stores[i]; geocoder.geocode({'address':store.fullAddress}, function(data, status){ storesObject[i].latlng = data[0].geometry.location; } }); i++; }; </code></pre> <p>If I do this how do I match the results to the stores array?</p> <pre><code>var i = 0; var results = []; while( i &lt; stores.length){ var store = stores[i]; geocoder.geocode({'address':store.fullAddress}, function(data, status){ results.push(data[0].geometry.location); } }); i++; }; </code></pre> <p>UPDATE adding in a functional scope fixed my issue:</p> <pre><code>var i = 0; while( i &lt; stores.length){ (function(){ var store = stores[i]; geocoder.geocode({'address':store.fullAddress}, function(data, status){ store.latlng = data[0].geometry.location; } }); })(); i++; }; </code></pre> <p>see: <a href="https://stackoverflow.com/questions/10555097/gmaps-js-geocode-using-passing-variables-with-asynchronous-geocode-function?rq=1">GMaps JS Geocode: Using/Passing Variables With Asynchronous Geocode Function?</a></p>
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    1. COhttp://stackoverflow.com/questions/10555097/gmaps-js-geocode-using-passing-variables-with-asynchronous-geocode-function?rq=1 putting in a functional scope answered my question. Should I just close this question?
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    2. COIt'll probably be closed as a duplicate eventually. I'd leave it because people will still be able to find it, and your title may catch some searches.
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