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POHow to convert [object Object] in Backbone to actual data
 

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  1. POHow to convert [object Object] in Backbone to actual data
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    <p>I have a function in my Backbone view(file.js) which is populated with a JSON response that's in the below format:-</p> <p><strong>Function in Backbone View</strong>:-</p> <pre><code>chart_data: function(){ var all_stats = this.collection.toJSON(); $("#page-container").html(this.users_by_loc({ platform_stats: all_stats, graph_data: all_stats.items.slice(0,5) // I want to use the top 5 entries to plot graph })); } </code></pre> <p><strong>Response</strong> present as part of <strong>all_stats</strong>(from my api call - I'm using Rails on server side):-</p> <pre><code>{ "items": [ { "loc": "Chennai", "users": 11707 }, { "loc": "Hyderabad", "users": 4327 }, { "loc": "Pune", "users": 3625 },....(many more entries) ] } </code></pre> <p>Now, I'm trying to pass the json response present in the <strong>graph_data</strong> parameter(defined in my <strong>Backbone view</strong> above) to a variable called <strong>chartData</strong> which is defined in my <strong>jst.ejs</strong> template(code below) . This variable(chartData) is used by my AM charts JS code to actually plot the graph.</p> <p>My <strong>jst.ejs</strong> file which has the code to populate the graph data and plot the graph looks like this:-</p> <pre><code>&lt;script&gt; var chart; chartData = "&lt;%= graph_data %&gt;" console.log("chartData: ", chartData); AmCharts.ready(function () { // SERIAL CHART chart = new AmCharts.AmSerialChart(); chart.dataProvider = chartData; //additional code to help plot the chart chart.write("chartdiv"); }); &lt;/script&gt; &lt;div id="chartdiv" style="width: 60%; height: 400px;"&gt;&lt;/div&gt; </code></pre> <p>My <strong>current roadblock</strong> is that when I do..</p> <pre><code>chartData = "&lt;%= graph_data %&gt;" console.log("chartData: ", chartData); </code></pre> <p>.. in my jst.ejs template the chartData variable instead of having the actual data as part of <strong>all_stats</strong> (shown_above) returns the following in my firebug console:-</p> <pre><code>chartData: [object Object],[object Object],[object Object],[object Object],[object Object] </code></pre> <p>How do I <strong>correctly assign</strong> the actual data present in <strong>graph_data</strong> variable(as part of my <strong>backbone view</strong>) to the variable <strong>chartData</strong> present in my <strong>jst.ejs</strong> template to plot the graph ?</p>
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    1. COWhy are you using a `<script>` inside the template at all? Why not do the JavaScript in JavaScript?
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    2. CO@muistooshort : I think you have a good point, I didn't think of this earlier. Say I write the logic of drawing the chart in my Backbone view(the js file) itself, would I only have to write `<div id="chartdiv" style="width: 60%; height: 400px;"></div>` in my Backbone template(jst.ejs file) and will this work ?
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    3. COProbably. You'd just have to call the chart stuff in your Backbone view at the right time.
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