Web Reference: In the first example, let i = 5; is declared outside the loop. In the second example, let i = 0;, is declared inside the loop. When a variable is declared with let or const inside a loop, it will only be visible within the loop. JavaScript offers multiple ways to loop through arrays. Use for...of for simple value iteration, for...in for index access, and traditional for loops when you need complete control over the iteration process. ••
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