merge array no duiplicates js

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showing results for - "merge array no duiplicates js"
Mariana
27 Jun 2016
1let array1 = ['a','b','c'];
2let array2 = ['c','c','d','e'];
3let array3 = array1.concat(array2);
4array3 = [...new Set([...array1,...array2])]; // O(n)
Hugo
13 Jan 2019
1array1 = array1.filter(val => !array2.includes(val));
2
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