javascript - XMLHttpRequest cannot load file. Origin null is not allowed by Access-Control-Allow-Origin - 


 $.getjson('test1.json', function(data)    {   (i in data.conferences) {   var item = data.conferences[i];   array1.push({   cid:item.id,   confname: item.cname,   confstart:item.start   }); } });

i use function getting values java jquery. in chrome , opera shows same error, works on ie , mozilla.
give me solution please.

xmlhttprequest cannot load file:///c:/users/winnova1/desktop/tree/conferences/test1.json. origin null not allowed access-control-allow-origin.
uncaught typeerror: cannot read property 'conferences' of null

for security reasons, on chrome , opera cannot use xmlhttprequest load local files.
must run on web server, if web server running on localhost.


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