Question

How to swap the first and last elements of an array in JavaScript

Answer 1

const array = [7, 8, 9, 0, 3];
    
const x = array[0];
     
array[0] = array[array.length - 1];
array[array.length - 1] = x;
          
console.log(array);

  
    
    
/*
run:
    
[3, 8, 9, 0, 7]
    
*/

 

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