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Loading JSON file with JavaScript. Please note: it won't run as a "local" script. JavaScript does not allow to load local files due to security reasons. You should deploy it on the server in order to load JSON file.
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function loadJson(callback) { | |
var XmlHttpRequest = new XMLHttpRequest(); | |
XmlHttpRequest.overrideMimeType("application/json"); | |
XmlHttpRequest.open('GET', 'file.json', true); | |
XmlHttpRequest.onreadystatechange = function () { | |
if (XmlHttpRequest.readyState == 4 && XmlHttpRequest.status == "200") { | |
// .open will NOT return a value | |
// but simply returns undefined in async mode so use a callback | |
callback(XmlHttpRequest.responseText); | |
} | |
} | |
XmlHttpRequest.send(null); | |
} | |
loadJson(function(response) { | |
jsonResponse = JSON.parse(response); | |
console.log(jsonResponse); | |
}); |
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