如何访问此JSON值？ [英] How to access this JSON value?

问题描述

我是JavaScript的新手，我不知道如何在JSON字符串中访问某些值。我有这些对象，我通过循环使用 $。每个函数来访问它们。但它似乎在这里没有用。我试过做 alert（data.type）; 但它给了我 undefined 变量。

I'm pretty new to JavaScript and I have no idea how to access certain value in JSON string. I had lsit of these objects and I did access them by looping through with $.each function. But it does not seem to work here. I've tried to do alert(data.type); but it gives me undefined variable.

TL; DR：

这是我通过AJAX获得的JSON字符串。如何使用jQuery在JavaScript中访问类型？

{
    "parent_id": "100003381460677",
    "type": "post",
    "title": "a",
    "body": "b",
    "date_normal": "01 May 2012"
}

推荐答案

parseJSON 帮助您

var obj = jQuery.parseJSON('{"name":"John"}');
alert( obj.name );

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