Splice using Array.splice - #todayilearned

Splice using Array.splice

Posted at — Jun 1, 2019

changes array contents in place by removing or replacing existing elements and/or adding new elements

remove a range of elements:

gas.splice(0, 4) // removes first four elements

splice in new elements at the beginning, middle, or end, replacing the Index → Count range defined by the first two args:
```
gas.splice(1, 0, 'foo', 'bar'); // inserts two new els at idx 1
```