Uncaught (in promise) thirdScriptError
Invalid attempt to spread non-iterable instance.
In order to be iterable, non-array objects must have a [Symbol.iterator]() method.
TypeError: Invalid attempt to spread non-iterable instance.
In order to be iterable, non-array objects must have a [Symbol.iterator]() method.
at eval (eval at n.call.document (http://127.0.0.1:64664/remote-debug/runtime.js?devtools_ignore=true:1:1), <anonymous>:2:637683)
at a (eval at n.call.document (http://127.0.0.1:64664/remote-debug/runtime.js?devtools_ignore=true:1:1), <anonymous>:2:637833)
at eval (eval at n.call.document (http://127.0.0.1:64664/remote-debug/runtime.js?devtools_ignore=true:1:1), <anonymous>:2:1006853)
at d (eval at n.call.document (http://127.0.0.1:64664/remote-debug/runtime.js?devtools_ignore=true:1:1), <anonymous>:2:678898)
at c (eval at n.call.document (http://127.0.0.1:64664/remote-debug/runtime.js?devtools_ignore=true:1:1), <anonymous>:2:678582)
at a (eval at n.call.document (http://127.0.0.1:64664/remote-debug/runtime.js?devtools_ignore=true:1:1), <anonymous>:2:677165)
at t (eval at n.call.document (http://127.0.0.1:64664/remote-debug/runtime.js?devtools_ignore=true:1:1), <anonymous>:2:1006797)
at Object.$i (eval at n.call.document (http://127.0.0.1:64664/remote-debug/runtime.js?devtools_ignore=true:1:1), <anonymous>:2:1006919)
at eval (eval at n.call.document (http://127.0.0.1:64664/remote-debug/runtime.js?devtools_ignore=true:1:1), <anonymous>:2:614131)
at new Promise (<anonymous>)
同异步调用wx.previewImage的问题 贴下代码片段