2018-05-23T09:35:00.743Z - error: TypeError: Right-hand side of ‘instanceof’ is not callable
at Function.Polymer.dom (app://bower_components/polymer/polymer-mini.html:1029:9)
at HTMLElement.serializeValueToAttribute (app://bower_components/polymer/polymer.html:3310:16)
at HTMLElement._applyEffectValue (app://bower_components/polymer/polymer.html:1831:6)
at HTMLElement._annotatedComputationEffect (app://bower_components/polymer/polymer.html:1594:6)
at HTMLElement. (app://bower_components/polymer/polymer.html:1411:4)
at Array.forEach (native)
at HTMLElement._effectEffects (app://bower_components/polymer/polymer.html:1408:9)
at HTMLElement._propertySetter (app://bower_components/polymer/polymer.html:1393:6)
at HTMLElement.setter (app://bower_components/polymer/polymer.html:1469:6)
at HTMLElement.connectScene (file:///Applications/CocosCreator.app/Contents/Resources/app.asar/editor/builtin/hierarchy/panel/panel.js:1:4066)