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    <p>You shouldn't have to do it that complicated, and the Json in the top of your post is invalid. Maybe this is something that you want?</p> <pre><code>{ "Altimetry": [ { "legenrowname": "0m - 250m ", "fillcolor": "005500", "bordercolor": "" }, { "legenrowname": "250m - 1000m ", "fillcolor": "ffff7f", "bordercolor": "" }, { "legenrowname": "1000m - 5000m ", "fillcolor": "B47811", "bordercolor": "" }, { "legenrowname": "+ 5000m ", "fillcolor": "482400", "bordercolor": "" } ] } </code></pre> <p>Check your incoming JSON with <a href="http://jsonlint.com/" rel="nofollow">http://jsonlint.com/</a> if it's valid. Did you generate the JSON yourself? do a console.log(jsonString) and paste it to jsonlint.</p> <p>With a valid piece of JSON, you can use <code>JSON.parse(jsonString)</code>- do not add any extra brackets like <code>var dataL = ${dataJsonLegends};</code> </p> <p>Right now it looks like you're looping over every single character in your response string</p> <p>EDIT</p> <p>Your updated JSON is valid, this is how I would process it:</p> <pre><code>var json = [{"uid":1,"legendname":"Altimetry","legend_description":null,"rows":[{"uid":2,"legendrowname":"250m - 1000m","fillcolor":"ffff7f","bordercolor":null,"rast_value":null,"fillcolorrgb":null,"bordercolorrgb":null,"legendrow_description":null,"legend":null},{"uid":4,"legendrowname":"+ 5000m","fillcolor":"482400","bordercolor":null,"rast_value":null,"fillcolorrgb":null,"bordercolorrgb":null,"legendrow_description":null,"legend":null},{"uid":1,"legendrowname":"0m - 250m","fillcolor":"005500","bordercolor":null,"rast_value":null,"fillcolorrgb":null,"bordercolorrgb":null,"legendrow_description":null,"legend":null},{"uid":3,"legendrowname":"1000m - 5000m","fillcolor":"B47811","bordercolor":null,"rast_value":null,"fillcolorrgb":null,"bordercolorrgb":null,"legendrow_description":null,"legend":null}],"layer":{"id":1,"description":"Altimetry","geoserver":"/geoserver/Sopcawind/wms","name":"Sopcawind:srtm","transparent":true,"format":"image/png","viewparams":"","isbaselayer":false,"opacity":0.5,"color":"#2b383b","visibility":false,"groupid":1,"infocontrol":true,"geometry":"","featuretype":"","srs":"","extradata":"","legends":null,"project":null}}]; for(i = 0; i&lt;json.length; i++) { console.log("new array item"); console.log(json[i].uid); console.log(json[i].legendname); console.log(json[i].legenddescription); for(j = 0; j&lt;json[i].rows.length; j++) { console.log("new row"); console.log('\t' + json[i].rows[j].uid); console.log('\t' + json[i].rows[j].legendrowname); console.log('\t' + json[i].rows[j].fillcolor); console.log('\t' + json[i].rows[j].bordercolor); // and so on... } } </code></pre> <p>EDIT 2</p> <p>Why not just create as javascript objects then, if you need the json after just stringify</p> <p>something like this (maybe not exact):</p> <pre><code>var objArr = new []; $.each(dataL, function(i, item){ var leg = new Object(); leg.uid = item.uid; leg.legendname = item.legendname; leg.rows = []; $.each(dataR, function(j, item2){ var rw = new Object(); rw.uid = item2.uid; rw.legendrowname = item2.legendrowname // and so on leg.rows.push(rw); }); objArr.push(leg); }); alert(JSON.stringify(objArr)); </code></pre>
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    1. POconvert string (with structure object) to object
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    1. USLars Anundskås
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    1. COI create the json from an object in the logic part of the app with Json library (it should be valid). But the structure needed in the js follows different need. As I show in the example, it must be something like the static part of the example. The static part works fine. I will verify the incoming JSON.
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    2. COI verified the json and is valid
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    3. COCan you add the incoming JSON to the post?
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