You are tasked with iterating over an array and modifying each element. Which loop structure would be the most suitable, considering the modern ECMAScript standards and why?

for loop
while loop
for...in loop
for...of loop

In modern ECMAScript standards, the for...of loop is the most suitable for iterating over an array and modifying each element. It provides a cleaner syntax and avoids issues with unexpected behavior that can occur with the for...in loop when working with arrays. The for loop and while loop are also options, but the for...of loop is more concise and specifically designed for array iteration.

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