Loading local JSON file

Question

I\'m trying to load a local JSON file but it won\'t work. Here is my JavaScript code (using jQuery):

var json = $.getJSON("test.json");
var data = e         


        

Answer 1

ES5 version

function loadJSON(callback) {
    var xobj = new XMLHttpRequest();
    xobj.overrideMimeType("application/json");
    xobj.open('GET', 'my_data.json', true);
    // Replace 'my_data' with the path to your file
    xobj.onreadystatechange = function() {
        if (xobj.readyState === 4 && xobj.status === 200) {
            // Required use of an anonymous callback 
            // as .open() will NOT return a value but simply returns undefined in asynchronous mode
            callback(xobj.responseText);
        }
    };
    xobj.send(null);
}

function init() {
    loadJSON(function(response) {
        // Parse JSON string into object
        var actual_JSON = JSON.parse(response);
    });
}

ES6 version

const loadJSON = (callback) => {
    let xobj = new XMLHttpRequest();
    xobj.overrideMimeType("application/json");
    xobj.open('GET', 'my_data.json', true);
    // Replace 'my_data' with the path to your file
    xobj.onreadystatechange = () => {
        if (xobj.readyState === 4 && xobj.status === 200) {
            // Required use of an anonymous callback 
            // as .open() will NOT return a value but simply returns undefined in asynchronous mode
            callback(xobj.responseText);
        }
    };
    xobj.send(null);
}

const init = () => {
    loadJSON((response) => {
        // Parse JSON string into object
        let actual_JSON = JSON.parse(response);
    });
}