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POAJAX global vars
 

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    <p>I'm trying to do this, which returns 'undefined':</p> <pre><code>$.ajax({ url : 'curriculum/read_types', type : 'GET', dataType : 'JSON', success : function(data) { return data; } }) </code></pre> <p>But if I do this:</p> <pre><code>$.ajax({ url : 'curriculum/read_types', type : 'GET', dataType : 'JSON', success : function(data) { console.log(data); } }) </code></pre> <p>it writes an entire JSON object on the console, so I know there exists data.</p> <p>How I can return this data?</p> <hr> <p>What I want to do is the next:</p> <pre><code>var curriculum = { add : function() { html = []; html.push('&lt;select name="type" required&gt;'); html.push('&lt;option value="0"&gt;Grupo general...&lt;/option&gt;'); var types = curriculum.read_types(); $.each(types, function(k,v) { html.push('&lt;option value="'+v+'"&gt;'+v+'&lt;/option&gt;') }) html.push('&lt;/select&gt;'); content.show('Añadir imagen a curriculum',html.join('')); }, read_types : function() { $.getJSON('curriculum/read_types', function(data) { return data; }) } } curriculun.add() </code></pre> <hr> <p>Finally it managed but with a asyn:false request:</p> <pre><code>var curriculum = { add : function() { html = []; html.push('&lt;select name="type" required&gt;'); html.push('&lt;option value="0"&gt;Grupo general...&lt;/option&gt;'); var types = curriculum.read_types(); $.each(types, function(k,v) { html.push('&lt;option value="'+v+'"&gt;'+v+'&lt;/option&gt;') }) html.push('&lt;/select&gt;') content.show('Añadir imagen a curriculum',html.join('')); }, read_types : function() { var a; $.ajax({ url : 'curriculum/read_types', type : 'GET', async : false, contentType : 'JSON', success : function(data) { a = data; } }) return a; } } </code></pre>
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    1. CO`success` is a callback function, you can't return from it. You can work with JSON object inside the `success`.
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    2. COreturn data to what? Typically you have a variable declared before the `ajax` call is made, then assign the data to that in the success handler if you need access to it.
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    3. COIs this a typo - `return data:`? It should be `return data;`
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