What is the best method for pulling in a static, plaintext JSON file into JavaScript through a GET request?

Currently, I am running a test with this specific link:

accessing static json data

I have encountered several issues with cross-site request errors. It is puzzling to me why it should be any different from loading an image that is hosted on the same site, as I can effortlessly include one in my test HTML file.

My attempts so far include:

$.getJSON('http://anyorigin.com/get?url=maxcandocia.com/static/blog/test_output3.json&callback=?',  
function(data){
    $('#output').html(data.contents);
});

var network_data

$.getJSON("http://maxcandocia.com/static/blog/test_output3.json", 
function(data){
    network_data = data.contents;
})
javascriptjsongetstatic-filescross-site

Answer №1

Typically, accessing a resource on a different origin (meaning domain-port combination) through JavaScript is not permitted unless that specific origin explicitly allows it by using certain headers, specifically the Access-Control-Allow-Origin.

It appears that anyorigin.com, the service you are currently utilizing, is experiencing issues with redirection. This issue does not seem to be caused by your actions, but rather a problem with the service itself. I suggest trying an alternative service, such as (simply add https://crossorigin.me/ before the URL):

var network_data;
$.getJSON("https://crossorigin.me/https://maxcandocia.com/static/blog/test_output3.json", 
function(data){
    network_data = data.contents;
})

If you have control over the server, it would be beneficial to configure it to include the Access-Control-Allow-Origin header for your JSON file.

Answer №2

Issue with Access-Control-Allow-Origin is not related to your code; it indicates a problem with security policies.

If you are the owner of maxcandocia.com, you must adjust the headers to permit your origin (where your script is running). If not, changing their policies for you is unlikely.

Consider exploring a server-side solution as suggested by Frxstrem or sending back this header if you own the script:

Access-Control-Allow-Origin: http://yourorigin.com http://maxcandocia.com https://maxcandocia.com

For a comprehensive guide on using json with jquery, refer to my detailed answer here:

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