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Update 3.js #12

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Update 3.js #12

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21 changes: 11 additions & 10 deletions 3.js
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Original file line number Diff line number Diff line change
@@ -1,13 +1,14 @@
// problem: why is it logging out 0? it should be 12
// since 4 * 4 is 16, 2 * 2 is 4 and 16 - 4 is 12
// fix it to log out 12!

function square(num) {
result = num * num
return result
let result = num * num;
return result;
}

result = square(4)
result2 = square(2)
var subtracted = result - result2
console.log(subtracted)
//the issues in these code is you should have to use let or const to declare the variables result and result2

//By using let or var keyword to declare result and result2,
//we ensure that each variable is scoped correctly and not overwritten by subsequent calls to the square function

let result = square(4);
let result2 = square(2);
var subtracted = result - result2;
console.log(subtracted); // Output: 12