请问chrom报这个错是什么原因呢？

Question

编译文件之后打开网页报错，看不懂报的错是什么。。可以帮我看一下吗?

Uncaught ReferenceError: json is not defined
at eval (eval at returnFilter (projectProposal.js:3), <anonymous>:1:1)
at Object.returnFilter (projectProposal.js:3)
at Object.parse (projectProposal.js:3)
at Object.query (projectProposal.js:2)
at Object.success (projectProposal.js:17)
at i (projectProposal-dependency.min.js:41)
at Object.fireWith [as resolveWith] (projectProposal-dependency.min.js:41)
at y (projectProposal-dependency.min.js:43)
at XMLHttpRequest.c (projectProposal-dependency.min.js:43)

Answer 1

引用了一个未定义的变量json呐

Answer 2

json找不到，在文件中搜一下。是不是写错了

Answer 3

会不会应该是 JSON