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how to access the variables in 1st API function in the 2nd API function

$.getJSON(url, function (data) {
    $.getJSON(url_wind, function (data2) {
        //do stuff with 'data' and 'data2'
    });    
});

when I use the data of the first getJSON() in the 2nd getJSON() there is an error saying undefined help me please

Use the promises rather this nesting. it's easy to debug.

Call it like this with async await.

(async function () {
    let data = await $.getJSON(url);
    let data2 = await $.getJSON(url_wind);
    console.log(data, data2);
})();

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