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我试图在隐藏变量中传递和检索 JSON 数据并遇到一个奇怪的情况。我一直在绞尽脑汁，到处寻找原因——我敢肯定这是愚蠢的，但我想不出是什么……：
- 第 504 行和第 508 行显示了正确的数据（描述字段除外，这是唯一更改的字段），但第 509 行显示了 _attachments 下的另一个对象，该对象在其他两个中不存在 - 为什么？
- 第 509 行 - 标题行描述文本与对象主体中的描述文本不同 - 主体描述是正确的。
原木取自铬，但 Firefox 表现出相同的行为。请参阅下面的代码和控制台日志。
503 var pp = $("#new-event-page").find("input[name=event_data]").val();
504 console.log(pp);
505 // comment
506 var paramx = JSON.parse(pp);
507 //comment
508 console.log(JSON.stringify(paramx));
509 console.log(paramx);
控制台日志的输出如下（经过一点手动格式化）：
testa.js:504--{"name":"Untitled-1369464011",
"description":"Previously aadded image - only this text is updated",
"occurred":"2013-05-25",
"group":"empty",
"category":"empty",
"_attachments":{"globe.png":{"content_type":"image/png",
"digest":"md5d8ba0496f16bdf74d6310432abf2a530"}},
"_id":"0C1CA0F4-2DF4-46F2-9D35-415674D6452A",
"_rev":"5-1d108457b606cc4388160ca46ffefbbf"}
testa.js:508--{"name":"Untitled-1369464011",
"description":"Previously aadded image - only this text is updated",
"occurred":"2013-05-25",
"group":"empty",
"category":"empty",
"_attachments":{"globe.png":{"content_type":"image/png",
"digest":"md5-d8ba0496f16bdf74d6310432abf2a530"}},
"_id":"0C1CA0F4-2DF4-46F2-9D35-415674D6452A",
"_rev":"5-1d108457b606cc4388160ca46ffefbbf"}
testa.js:509--Object {name: "Untitled-1369464011", description: "Previously aadded image - only this text is updated", occurred: "2013-05-25", group: "empty", category: "empty"…}
_attachments: Object
globe.png: Object
content_type: "image/png"
__proto__: Object
opAAAAAElFTkSuQmCC: Object
content_type: undefined
__proto__: Object
__proto__: Object
_id: "0C1CA0F4-2DF4-46F2-9D35-415674D6452A"
_rev: "6-001ee0c89c5b9dbe2b06e5b926ad446d"
category: "empty"
description: "Previously aadded image - only this text is updated -pass 2"
group: "empty"
name: "Untitled-1369464011"
occurred: "2013-05-25"
__proto__: Object
