Question

How to check if array contains only distinct (non-repeating) elements in Node.js

Answer 1

function containsOnlyUniqueElement(arr) {
    const set = new Set(arr);
 
    return set.size === arr.length;
}
  
 
const arr = [1, 5, 7, 3, 9, 8, 0, 2];
  
if (containsOnlyUniqueElement(arr)) {
    console.log("Yes");
}
else {
    console.log("No");
}





/*
run:
     
Yes
     
*/

 

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