javascript get unique values from array
const myArray = [1,2,3,1,5,8,1,2,9,4];
const unique = [...new Set(myArray)]; // [1, 2, 3, 5, 8, 9, 4]
const myString = ["a","b","c","a","d","b"];
const uniqueString = [...new Set(myString)]; //["a", "b", "c", "d"]javascript unique array of objects by property
const array =
[
{ "name": "Joe", "age": 17 },
{ "name": "Bob", "age": 17 },
{ "name": "Carl", "age": 35 }
]
function uniqueByKey(array, key) {
return [...new Map(array.map((x) => [x[key], x])).values()];
}
console.log(uniqueByKey(array, 'age'));Copyright © 2021 Codeinu
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