iPhone IOS 10 Safari JSON解析：错误意外标识符“功能”

So I'm trying to troubleshoot this error on a client site, that only occurs on IOS 10 on mobile devices. They said it worked prior to upgrading their devices to IOS 10. Reverting back to IOS 9 actually doesn't produce this error. It appears to be something with JSON.parse along with it being localstorage data (this.local[i])). See below for js error, sample data, and javascript snippet.So I'm trying to troubleshoot this error on a c