how to add and remove elements in array in javascript

in javascript, you can easily add and remove elements in an array using various built-in methods. here is a step-by-step tutorial on how to add and remove elements in an array:

1. **adding elements to an array:**
- to add elements to the end of an array, you can use the `push()` method.
- to add elements to the beginning of an array, you can use the `unshift()` method.
- to add elements at a specific index in an array, you can use the `splice()` method.

2. **removing elements from an array:**
- to remove elements from the end of an array, you can use the `pop()` method.
- to remove elements from the beginning of an array, you can use the `shift()` method.
- to remove elements at a specific index in an array, you can use the `splice()` method.

here is an example code snippet that demonstrates adding and removing elements in an array:

...

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