Q:

Write a JavaScript program to filter out the non-unique values in an array

hamza
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2022-05-18
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Write a JavaScript program to filter out the non-unique values in an array.

JavaScript programming, Programming,
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hamza
2022-05-18
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const filter_Non_Unique = arr => arr.filter(i => arr.indexOf(i) === arr.lastIndexOf(i));

console.log(filter_Non_Unique([1, 2, 2, 3, 4, 4, 5]));  
console.log(filter_Non_Unique([1, 2, 3, 4]));

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