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53 lines (37 loc) · 1006 Bytes
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Copy pathremoveDuplicateFromArray.js
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53 lines (37 loc) · 1006 Bytes
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// const arr = [1,2,2,3,4,4,5,5,5,6];
// const seen = {}; // Dictonary mantaing
// const output = []; // showing the output
// for(let i=0; i<arr.length; i++) {
// // i = 0 to true,
// const item = arr[i];
// if(!seen[item]) {
// seen[item] = true;
// output.push(item);
// }
// }
// for(const item of arr) {
// if(!seen[item]) {
// seen[item] = true;
// output.push(item);
// }
// }
// console.log(output); // [1, 2, 3, 4, 5, 6]
function removeDuplicates(arr) {
// your code here
let newArr = new Set(arr);
return newArr;
}
console.log(removeDuplicates([1, 2, 2, 3, 4, 4]));
module.exports = removeDuplicates;
// function removeDuplicates(arr) {
// const seen = new Map();
// const result = [];
// for (let i = 0; i < arr.length; i++) {
// if (!seen.has(arr[i])) {
// seen.set(arr[i], true);
// result.push(arr[i]);
// }
// }
// return result;
// }
// module.exports = removeDuplicates;