//SimpleFn with var and let Keywords
var simpleFn = () => { //function scope
if(true) {
let a = 1;
var b = 2;
console.log(a)
console.log(b)
} //if block scope
console.log(b) //function scope
console.log(a) //function scope
}
To make the point concrete, we can write the same function with var and the let keyword, inside an if block as shown in Listing
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