In this Article we will go through how to merge two arrays only using single line of code in JavaScript.
This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function
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Let's define this short function:
// Merge but don't remove the duplications
const merge = (a, b) => a.concat(b);
const merge = (a, b) => [...a, ...b];
// Merge and remove the duplications
const merge = [...new Set(a.concat(b))];
const merge = [...new Set([...a, ...b])];