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Write a JavaScript program to swap the first and last elements of a given array of integers. The array length should be at least 1

hamza
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2022-05-18
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Write a JavaScript program to swap the first and last elements of a given array of integers. The array length should be at least 1. 

JavaScript programming, Programming,
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hamza
2022-05-18
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function swap(arra) {
    [arra[0], arra[arra.length - 1]] = [arra[arra.length - 1], arra[0]];
    return arra;
}
console.log(swap([1, 2, 3, 4]));  
console.log(swap([0, 2, 1]));  
console.log(swap([3]));

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