How to get last n elements of an array in JavaScript
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we are going to learn about how to get the last n elements of an array in JavaScript.
Consider, we have an array like this:
const cars = ["benz", "bmw", "volvo", "skoda"];
To access the last n elements of an array, we can use the built-in slice() method by passing -n as an argument to it.
n is the number of elements, – is used to access the elements at end of an array.
Here is an example, that gets the last 2 elements of an array:
const cars = ["benz", "bmw", "volvo", "skoda"];const lastTwo = cars.slice(-2);console.log(lastTwo); // ["volvo", "skoda"]
Similarly, you can get last 3 three elements like this:
const cars = ["benz", "bmw", "volvo", "skoda"];const lastThree = cars.slice(-3);console.log(lastThree); // ["bmw", "volvo", "skoda"]
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