javascript - from origin 'null' has been blocked by CORS policy: Cross origin requests

Wednesday 31 July 2019

javascript - from origin 'null' has been blocked by CORS policy: Cross origin requests

This error occurred while calling up JSON.
I don't know why this error is happening.

$.getJSON(url, function(data){
    console.log(data);
});

Error:

Access to XMLHttpRequest at (this is JSON URL) from origin 'null' has been blocked by CORS policy: Cross origin requests are only supported for protocol schemes: http, data, chrome, chrome-extension, https.

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