JSFiddle - React, Tailwind, and code Playground
JavaScript
series = [{
name: 'Tokyo',
data: [7.0, 6.9, 9.5]
}, {
name: 'New York',
data: [-0.2, 0.8, 5.7]
}]
$.each(series, function (index, itemData) {
itemData.data.push(12);
alert(itemData.data);
});