如何在第二个 API 函数中访问第一个 API 函数中的变量

Question

$.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

Answer 1

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);
})();