VM2866:1?thirdScriptErrorCannot?read?property?'length'?of?undefined;at?"pages/movie/movie"?page?lifeCycleMethod?onLoad?functionTypeError:?Cannot?read?property?'length'?of?undefined????at?c.onLoad?(http://127.0.0.1:37039/appservice/pages/movie/movie.js:20:36)????at?c.<anonymous>?(http://127.0.0.1:37039/appservice/__dev__/WAService.js:19:16763)????at?$t?(http://127.0.0.1:37039/appservice/__dev__/WAService.js:19:30369)????at?on?(http://127.0.0.1:37039/appservice/__dev__/WAService.js:20:235)????at?sn?(http://127.0.0.1:37039/appservice/__dev__/WAService.js:20:573)????at?Function.<anonymous>?(http://127.0.0.1:37039/appservice/__dev__/WAService.js:20:3006)????at?L.<anonymous>?(http://127.0.0.1:37039/appservice/__dev__/WAService.js:19:1500)????at?L.emit?(http://127.0.0.1:37039/appservice/__dev__/WAService.js:8:15814)????at?Object.emit?(http://127.0.0.1:37039/appservice/__dev__/WAService.js:6:14059)????at?Function.<anonymous>?(http://127.0.0.1:37039/appservice/__dev__/WAService.js:9:16174)console.error?@?VM2866:1errorReport?@?WAService.js:4thirdErrorReport?@?WAService.js:4(anonymous)?@?WAService.js:4(anonymous)?@?WAService.js:19$t?@?WAService.js:19on?@?WAService.js:20sn?@?WAService.js:20(anonymous)?@?WAService.js:20(anonymous)?@?WAService.js:19L.emit?@?WAService.js:8emit?@?WAService.js:6(anonymous)?@?WAService.js:9(anonymous)?@?WAService.js:6e?@?appservice?t=1559486584929:4003(anonymous)?@?appservice?t=1559486584929:4003(anonymous)?@?appservice?t=1559486584929:4003(anonymous)?@?appservice?t=1559486584929:4003a.onmessage?@?appservice?t=1559486584929:4003
2019-06-03
檢查下movie.js文件的代碼第20行，應該是undefined.length，檢查下這個undefined是如何產生的就能找到問題了。
2020-02-17
截圖2
2020-02-17
清晰截圖
2020-02-17
同樣的length報錯，誰給解下