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POJquery keeps returning NaN
 

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  1. POJquery keeps returning NaN
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    <p>I have a function which keeps returning NaN. I've searched the forum and tried everything that I found but obviously I'm doing something wrong seeing my (probably) weird code :)</p> <p>My code:</p> <pre><code> function bakVormTotals(targetClass){ $.getJSON('http://shop.com/cart/?format=json', function(data){ var totaal = 0; $('.grandTotal').each(function(){ //////////// var item = $(this); // FOUND THIS ON FORUM totaal+= parseInt(item.val()); /////////// }) $.each(data.cart.totals, function(index, totals){ $('&lt;strong/&gt;').html('€' + (+totals.grand_total).toFixed(2)).appendTo(targetClass); // the grand total price }); }); } </code></pre> <p>The json looks like this: <code>"totals":{"sub_total":"335.29","taxes":[{"percentage":"0.1900","amount":63.71}],"grand_total":"399.00"}}</code> If that may help. </p> <p>Any help is greatly appreciated</p> <p><strong>UPDATE 1</strong></p> <p>Ok I've found some new interesting stuff. I changed the function above to:</p> <pre><code> function bakVormTotals(targetClass){ $.getJSON('http://shop.com/cart/?format=json', function(data){ $.each(data.cart, function(index, totals){ $('&lt;strong/&gt;').html('€' + totals.grand_total + '').appendTo(targetClass); // the grand total price }); }); } </code></pre> <p>Now the script returns: €undefined€undefined€undefined€undefined€undefined€undefined€undefined€undefined€1197.00</p> <p>Obviously I'm in the right direction since €1197.00 is the correct value. The "undefined" stuff is probably due to the html part?? Can some body help me changing the $('') part to something like "total" so I can leave the HTML part out?</p>
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    1. CO`console.log(item.val());` and see what value is there. PS: *sometimes* it makes a bit of sense to understand what you copy-paste from "forums"
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    2. COThe reason is because item.val() is not a number.
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    3. COYo, do this: http://www.w3schools.com/jsref/jsref_isnan.asp ; isNan check if not a number see whats going on or paste your HTML and i might make a demo for you man! hope this gives you enough lead!
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      1. USTats_innit
 

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