js delete duplicates from array
const names = ['John', 'Paul', 'George', 'Ringo', 'John'];
let unique = [...new Set(names)];
console.log(unique); // 'John', 'Paul', 'George', 'Ringo'js delete duplicates from array
const names = ['John', 'Paul', 'George', 'Ringo', 'John'];
let unique = [...new Set(names)];
console.log(unique); // 'John', 'Paul', 'George', 'Ringo'remove duplicate item from array javascript
function remove_duplicates(arr) {
var obj = {};
var ret_arr = [];
for (var i = 0; i < arr.length; i++) {
obj[arr[i]] = true;
}
for (var key in obj) {
ret_arr.push(key);
}
return ret_arr;
}Copyright © 2021 Codeinu
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