JavaScript: Get the last element from a given array
JavaScript fundamental (ES6 Syntax): Exercise-181 with Solution
Write a JavaScript program to get the last element from a given array.
- Check if arr is truthy and has a length property.
- Use Array.prototype.length - 1 to compute the index of the last element of the given array and return it, otherwise return undefined.
Sample Solution:
JavaScript Code:
//#Source https://bit.ly/2neWfJ2
const last = arr => arr[arr.length - 1];
console.log(last([1, 2, 3]));
console.log(last([1, 2, 3, 4, 5, 7]));
Sample Output:
3 7
Pictorial Presentation:
Flowchart:

Live Demo:
See the Pen javascript-basic-exercise-181-1 by w3resource (@w3resource) on CodePen.
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