Advertisement
728x90
The length property of an array is useful to resize or empty an array quickly. Let's apply length property on number array to resize the number of elements from 5 to 2,
javascript
1var array = [1, 2, 3, 4, 5];
2
3console.log(array.length); // 5
4
5array.length = 2;
6
7console.log(array.length); // 2
8
9console.log(array); // [1,2]and the array can be emptied too
javascript
1var array = [1, 2, 3, 4, 5];
2
3array.length = 0;
4
5console.log(array.length); // 0
6
7console.log(array); // []Advertisement
Responsive Ad
🎯 Practice NowRelated Challenge
JavaScript Coding Exercise 64
Test your knowledge with this interactive coding challenge.
Start CodingAdvertisement
728x90
407of476