noc_class-5:

• learnt about extends, which inherits properties of all the previous classes.

class Fish extends Ball{
// no need to write constructor also; it creates a ball until i cash fish.method from fish. 
}

if you add a constructor, you can call super(params) to get parent to process all the incoming parameters.

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spoke about emitters.

spoke about anonymous functions ()=>:

something.forEach((particle) => {
	particle.run(); 
})

watched this:

!!something will turn something into a boolean.