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Uncaught TypeError: Cannot read property 'setAttribute' of null
其实就是js中空指针异常
h5splayer.js:1 Uncaught TypeError: Cannot read property 'setAttribute' of null
at new H5sPlayerRTC (h5splayer.js:1)
at HTMLDocument.<anonymous> (realtime_face_tracking:379)
at j (jquery-2.1.1.min.js:2)
at Object.fireWith [as resolveWith] (jquery-2.1.1.min.js:2)
at Function.ready (jquery-2.1.1.min.js:2)
at HTMLDocument.I (jquery-2.1.1.min.js:2)
一个原因是界面中没有 h5video1 的video控件。