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POconvert string (with structure object) to object
 

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  1. POconvert string (with structure object) to object
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    <p>I have a json information and I want to use it to create an <strong>object</strong> like this one:</p> <pre><code>var legends = { "Altimetry" : { 0 : { legenrowname : "0m - 250m ", fillcolor : "005500", bordercolor : "" }, 1 : { legenrowname : "250m - 1000m ", fillcolor : "ffff7f", bordercolor : "" }, 2 : { legenrowname : "1000m - 5000m ", fillcolor : "B47811", bordercolor : "" }, 3 : { legenrowname : "+ 5000m ", fillcolor : "482400", bordercolor : "" } } }; alert(legends); //the result is this: Object [] </code></pre> <p>it´s recognize as an object (that´s what I need in the next step)</p> <p>Now, I´m trying to create it dynamically with legends2</p> <pre><code>var dataL = ${dataJsonLegends}; var legends2 =""; var lengthL = dataL.length; $.each(dataL, function(i, item){ legendName = item.legendname; legends2= '"' + legendName + '":{'; dataR = item.rows; var lengthR = dataR.length; $.each(dataR, function(j, item2){ id=item2.uid; rowname=item2.legendrowname; fillcolor=item2.fillcolor; rowobject = id + ' : { legenrowname:"' + rowname + '", fillcolor:"' + fillcolor + '"}'; if(j!=lengthR-1) rowobject = rowobject + ","; legends2= legends2+ rowobject; }); legends2= legends2+ '}'; if(i!=lengthL-1) legends2= legends2+ ","; }); alert(legends2); //the result is this: "Altimetry" : { 0 : { legenrowname : "0m - 250m ", fillcolor : "005500", bordercolor : "" },1 : { legenrowname : "250m - 1000m ", fillcolor : "ffff7f", bordercolor : "" },2 : { legenrowname : "1000m - 5000m ", fillcolor : "B47811", bordercolor : "" },3 : { legenrowname : "+ 5000m ", fillcolor : "482400", bordercolor : "" }} </code></pre> <p>The legends2 value is what I expected but I want it to be recognize as an object and not as an string with object structure.</p> <p>I tried many things to solve it. <code>JSON.parse</code>, <code>eval</code>, etc... but no one works.</p> <p>¿Could someone help or give me a tip?</p> <p>Edited: incoming json</p> <p>I post my json object (dataL), which I use to create the structure I need.</p> <pre><code>[{"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}}]; </code></pre> <p>Edited2: I tried to use the code but I don`t really need a json object. I use a json object to create another basic object with this structure:</p> <pre><code>//loop legends legends={"legendname": { //loop rows row.id : { legenrowname : row.legendrowname, fillcolor : row.fillcolor, bordercolor : row.bordercolor } }} </code></pre>
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    1. COAre you looking for `JSON.parse`? https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/parse
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    2. COWhat's wrong with the JSON.parse that you used?
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    3. COUncaught SyntaxError: Unexpected token : (anonymous function)
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