我想将我的主要JSON对象的一部分存储在一个变量中，以便我可以遍历它（例如，存储“卡片”，以便我可以遍历Govenors，课程和教师以获得“ title”和“ href” '，然后再与他们一起创建元素）。目前我正在做：
var content = $.getJSON("website-contents.json");
var place = content["cards"];
当我在Chrome开发工具中调用content变量时，它返回我的主对象，但是当我调用“ place”变量时，它仅返回未定义。我也曾尝试过var place = content.cards，var place = content[0]但似乎无济于事。这是我的JSON（长度表示歉意）
{
"accordian" : {
"faqs" : {
"head" : {
"answer" : "Simon Firth",
"question" : "Whos the head?"
},
"location" : {
"answer" : "Wylye Bulding, Wiltshire College",
"question" : "Where are we based?"
}
}
},
"article" : {
"new-site" : {
"Title" : "Launch of new website!",
"author" : "Alex Shaw",
"content" : "We now have a new website due to the amazing computing students!",
"hashbang" : "newSite"
},
"test" : {
"author" : "A Shaw",
"content" : "This is a test article",
"hashbang" : "test",
"title" : "Test Article"
}
},
"cards" : {
"govenors":{
"title":"Govenors",
"href":"#govenors",
"abanks":{
"name":"Alec Banks"
},
"nowen":{
"name":"Neil Owen"
}
},
"courses" : {
"title":"Courses",
"href":"#courses",
"Art" : {
"teacher" : "Mrs Bellars",
"title" : "Art"
},
"Biology" : {
"teacher" : "Mrs Miller",
"title" : "Biology"
},
"Computing" : {
"teacher" : "Mr Chambers",
"title" : "Computing"
},
"Further Maths" : {
"teacher" : "Mr Grimsley",
"title" : "Further Maths"
},
"Maths" : {
"teacher" : "Mr Grimsley",
"title" : "Maths"
}
},
"teachers" : {
"title":"Teachers",
"href":"#teachers",
"cchambers" : {
"email" : "email1",
"name" : "Craig Chambers"
},
"kgrimsley" : {
"email" : "email2",
"name" : "Kevin Grimsley"
},
"sfirth" : {
"email" : "email3",
"name" : "Simon Firth"
}
}
}
}getJSON()是异步的。您需要向它传递一个成功处理程序，然后解析出数据：
var place,
content = $.getJSON("website-contents.json", function(data) {
place = data.cards;
});
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