How Array Shift Method Works ? | #Shorts

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👉 The **Array shift method** is used to remove the first element from an array and optionally shift all other elements to the left, updating the array's length. Here's how it works:

1. **Remove First Element:** The method removes the element at index `0` of the array. This operation reduces the array's length by one.

2. **Shift Elements:** All remaining elements are shifted one position to the left. For instance, if the array originally had elements `[a, b, c]`, after the shift operation, it becomes `[b, c]`.

3. **Return Value:** The removed element is returned by the method. If the array is empty, the method returns `undefined`.

4. **Update Length:** The array's length is adjusted to reflect the removal of the first element.

This method modifies the original array in place and is useful for managing lists where elements need to be processed in a queue-like fashion.

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