Resolved: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'null' is therefore not allowed access. The response had HTTP status code 500.

solution : add "&callback=?" to your url


  ex:
$.getJSON('https://www.google.com/finance/info?q=NSE:ffin&callback=?', function(data){
     alert(data[0].l);
console.log(data);
 });
})();

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