function hello() {
var arr = [];
$.get(url, function (data) {
var items = $(data).find("item");
$(items).each(function (idx, item) {
arr.push(item);
});
});
return arr; //undefined because nested loops are not finished processing.
}
如何在返回之前確保arr
已填充?在嵌套異步功能完成時做些事
爲什麼downvote? – GoodSp33d