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POHow to send JQuery instance method as Google API callback?
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  1. POHow to send JQuery instance method as Google API callback?
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    copied!<p>Has anyone previously figured out how to send a (JQuery plugin) object-scoped method as a Google API callback? E.g. for the PageSpeed API.</p> <p>All the samples show you sending the name of a global function, but I want to somehow send the specific instance method, (or a way to re-look up the JQuery object).</p> <p>This is based on <a href="https://code.google.com/apis/pagespeedonline/v1/getting_started.html#invoking" rel="nofollow">their sample</a>:</p> <pre><code> var s = document.createElement('script'); s.type = 'text/javascript'; s.async = true; var query = [ 'url=' + url, 'callback=runCallbacks', 'key=' + settings.api_key, ].join('&amp;'); s.src = API_URL + query; document.head.insertBefore(s, null); </code></pre> <p>So I want to achieve is something like this call:</p> <pre><code> $('div.jq-google-plugin).MyGooglePlugin('callback',result); </code></pre> <p>I am setting up the call to Google from within my plugin's init method.</p> <p>e.g. I tried this - but this produces a 400 Bad Request from Google API.</p> <pre><code> var query = [ 'url=' + url, 'callback='+ encodeURI('function(result){$(\'div.jq-google-plugin\').MyGooglePlugin(\'callback\',result);}’, 'key=' + settings.api_key, ].join('&amp;'); </code></pre> <p>What I don’t really want to have to do is create some name-mangled global just to catch the responses for each plugin instance, but I think this is the only way? (This works BTW.)</p> <pre><code> var query = [ 'url=' + url, 'callback=myUniqueGlobalCallback', 'key=' + settings.api_key, ].join('&amp;'); myUniqueGlobalCallback = function(result){$('div.jq-google-plugin).MyGooglePlugin('callback',result);} </code></pre> <p>Thanks in advance for any insights! I guess the solution may not be Google API-specific, but could be around why it rejects any thing other than a global function name.</p>
 

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