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About All Posts Warning Random

Array.at Negative Indices

```
const arr = [
```
```
  'one', 'two', 
```
```
  'three', 'four'
```
```
];
```
```
console.log(
```
```
  arr.at(-1), 
```
```
  arr.at(-2), 
```
```
  arr.at(0)
```
```
);
```

Array.at allows negative index values to be used to read elements from an array. I’ve seen this done using a Proxy in the past.

September 22, 2021

0

// arrays // javascript

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