en.javascript.info/1-js/4-data-structures/6-array/4-random-from-array/solution.md
Ilya Kantor 480e69b843 work
2016-07-17 16:53:32 +03:00

12 lines
264 B
Markdown

We need to generate a random integer value from `0` to `arr.length-1`, and then take the element with that index.
Here we go:
```js run
let arr = ["Apple", "Orange", "Pear", "Lemon"];
let rand = Math.floor(Math.random() * arr.length);
alert( arr[rand] );
```