The onupdate of the Script may not be triggered under certain circumstances

[cptbtptpbcptdtptp]

Initialization does not override onupdate, and update onupdate after the onEnable function will not execute onupdate in the frame loop.

[cptbtptpbcptdtptp]

[luzhuang]

If we adopt this way: entity.addComponent(SomeScript).onUpdate = () => {}; it will compromise the overall performance of the engine. We need to observe how many users are using this method before making a decision.