Question

How to find an array element that are divisible by all array elements in JavaScript

Answer 1

function find_element_divisible_by_all_elements(arr) { 
    const len = arr.length;
    for (let i = 0; i < len; i++) { 
        let j = 0;
        for (; j < len; j++) {
            if (arr[j] % arr[i]) { 
                break; 
            }
        }
        if (j === len) {
            return arr[i]; 
        }
    } 
    return -1; 
} 
 
const arr  = [18, 30, 12, 3, 33, 27, 45]; 
 
document.write(find_element_divisible_by_all_elements(arr));
 

     
/*
run:
 
3
          
*/
  

 

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