$(function(){ //1、成功 打印出Peter $.getJSON('data.js', function(json) { console.log(json['programmers'][0]['firstName']) }); //2、出错 var data = $.getJSON('data.js', function(json) { return json; }); console.log(data['programmers'][0]['firstName']); //3、出错 var data2; $.getJSON('data.js', function(json) { data2 = json; }); console.log(data2['programmers'][0]['firstName'])})分析一下出错两种方式为何不可行,为何无法将获取的数据存到全局变量?
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