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)