In this Article we will go through how to calculate the sum of arguments 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`

.

Let's define this short function:

```
const sum = (...args) => args.reduce((a, b) => a + b);
```

```
sum(1, 2, 3, 4); // 10
```

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