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let is a block scope. so the value of i gets captured. in case of var its a global scope/scope of where the function is called. so when the function actually executes, the var i value is the last standing value, which is not the case with let.
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let is a block scope. so the value of i gets captured. in case of var its a global scope/scope of where the function is called. so when the function actually executes, the var i value is the last standing value, which is not the case with let.