Get the last 5 elements of an array in JavaScript
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we are going to learn about how to get the last 5 elements of an array in JavaScript.
Consider, we have an array like this:
const cars = ["audi", "benz", "bmw", "volvo", "skoda", "Mg"];
To access the last 5 elements of an array, we can use the built-in slice() method by passing the -5 as an argument to it.
Where negative index -5 extracts the last five elements from the end of an array, that is same asarr.length-5.
Here is an example:
const cars = ["audi", "benz", "bmw", "volvo", "skoda", "Mg"];const lastFive = cars.slice(-5);console.log(lastFive);
Output:
["benz", "bmw", "volvo", "skoda", "Mg"]
The slice() method takes the startIndex and endIndex as an arguments and returns a new array with the copied elements from the startIndex and endIndex-1.
In the example above, we have passed only the startIndex cars.slice(-5) so, it returns the last five elements from the array.
A negative index can be used, indicating an offset from the end of the sequence.
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