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[Angular] Angular 18 series (twenty-nine) checks if @Output's EventEmitter is bound

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Posted on 2024-12-26 14:45:47 | | | |
Requirements: There is a common component that leaks a lot@Outputbind events, these events are optional, how to judge@OutputThe EventEmitter is bound or not, displays the button state of a common component based on whether it is bound or not.

If@OutputThere is a binding, the rendering is as follows:



The code is as follows:







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