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#10 Array.indexOf() & Array.lastIndexOf() | JavaScript | Frontend | Take it easy #shorts
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#JavaScript #Frontend #shorts
codepen
MDN
```
const arr = [1, 2, 3, 4, 5, 2]
const v = 0
```
codepen
MDN
```
const arr = [1, 2, 3, 4, 5, 2]
const v = 0
```
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