Howto remove array index in Javascript

Question

ParticularAcceptedMonth-1: Array(12)

0: "1"

1: "2"

2: "3"

3: "4"

4: "5"

5: "6"

6: "7"

7: "8"

8: "9"

9: "10"

10: "11"

11: "12"

length: 12

__proto__: Array(0)

 

This type of array how to delete one index using javascript