Can you explain how the slice method works in JavaScript arrays?
Sure! The slice method returns a shallow copy of a portion of an array into a new array object. It takes two arguments: the start index and the end index.
Can you give me some examples of using the slice method?
Of course! For example, if you have an array let arr = [1, 2, 3, 4, 5];
, using arr.slice(1, 3)
will return [2, 3]
.
What happens if I omit the end index?
If you omit the end index, slice will return all elements from the start index to the end of the array. For instance, arr.slice(2)
will return [3, 4, 5]
.
Can slice work with negative indices?
Yes! Negative indices count back from the end of the array. For example, arr.slice(-2)
will return the last two elements: [4, 5]
.
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