Qt question: How do signals and slots work?

How can I emulate Signals and Slots found in Qt, to Javascript qt signal and slot Signals and slots are loosely coupled: A class which emits a signal neither knows nor cares which slots receive the signal Qt's signals and slots mechanism qt signal and slot QThread signal START · 1 · Как связать механизм SIGNAL-SLOT с динамическим QcheckBox-oм · 1 · Qt Signal при добавлении нового окна в приложении

qtech slot Signals and Slots · loose coupling: The key advantage of the signals and slots is that the caller does not have to know anything about the receiver and vice