Understand clourser

#1

Do not Understand Clourser defination

#2

I know MDN docs can be confusing sometimes, I hope this video helps in explaining this: https://www.youtube.com/watch?v=3a0I8ICR1Vg If you have specific doubt under this topic please ask

#3

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#4

Is a correct statement? infinite==infinite

#5

infinite is not a keyword, is this a variable you have already declared?