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POHow Get JSON value and re-use it in many function?
 

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    <p>Now it work... but how i can write the right call for the json?</p> <p>i tried with this direct link but doesn't work, maybe i've to edit the "data" parameters? I don't know because i read that is on optional parameter right? any help?</p> <p>And ho w i can set the continuous refres of the json values that i want to pick to make them always updated (every 60s).</p> <p>thanks!!</p> <pre><code>function itemManager(){ var _me = null; var _goldAsk = 0; var _silverAsk = 0; var _eurusdAsk = 0; var construct = function(){ //init here _me = $(this); _bindHandlers(); _updateItem(125); } var _bindHandlers = function(){ _me.on('stockupdated', function(){ $('#gcost').text(_goldAsk + ' ' + _silverAsk + ' ' + _eurusdAsk); }); $('#calculate').on('click', function(){ alert("item gold ask(" + _goldAsk + ") vs silver ask(" + _silverAsk + ")"); }); $('#updateitem').on('click', function(){ _updateItem(250); }); $('#btnGetTotals').on('click', function(){ var grammsOfGold = $('#goldGramms').val().length ? parseInt($('#goldGramms').val()) : 0; var grammsOfSilver = $('#silverGramms').val().length ? parseInt($('#silverGramms').val()) : 0; var carati = document.getElementById("carati").selectedIndex; alert('Total for gold: ' + (((( _goldAsk / 31.1034768 ) / _eurusdAsk) * (document.getElementsByTagName("option")[carati].value)) * grammsOfGold ).toFixed(2) + ' total for silver: ' + (grammsOfSilver * _silverAsk) + 'Carati selezionati: ' + (document.getElementsByTagName("option")[carati].value)) }); $('#btnGetInfo').on('click', function(){ alert('Gold ask: ' + ((_goldAsk / 31.1034768) / _eurusdAsk).toFixed(3) + ' silver ask: ' + ((_silverAsk / 31.1034768) / _eurusdAsk).toFixed(3)); }); } var _getMonth = function(){ return parseInt($('#month').val()); } var _updateItem = function(cost){ $.ajax({ type: 'POST', url: 'https://quotes.instaforex.com/get_quotes.php?m=json&amp;q=gold,silver,eurusd', data: { json: '{' + '"GOLD":{"symbol":"GOLD","lasttime":1379116798,"digits":2,"change":"-0.09","bid":"1325.91","ask":"1326.51"},' + '"SILVER":{"symbol":"SILVER","lasttime":1379116779,"digits":3,"change":"-0.010","bid":"22.170","ask":"22.210"},' + '"EURUSD":{"symbol":"EURUSD","lasttime":1379116796,"digits":4,"change":"-0.0001","bid":"1.3296","ask":"1.3299"}' + '}', delay: 2 }, success: function(data){ _goldAsk = parseFloat(data.GOLD.ask); _silverAsk = parseFloat(data.SILVER.ask); _eurusdAsk = parseFloat(data.EURUSD.ask); _me.trigger('stockupdated'); } }) } construct(); } window.onload = function(){ var item = new itemManager(); } </code></pre>
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    1. COcould be cross domain restriction http://en.wikipedia.org/wiki/Same-origin_policy (you can try to request instaforex on server and pass result to client), for updating every 60 secs, use setInterval http://www.w3schools.com/js/js_timing.asp
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