Link : https://learn.freecodecamp.org/javascript-algorithms-and-data-structures/basic-algorithm-scripting/falsy-bouncer

Who can help to finish function for quiz ?

```
function bouncer(arr) {
// Don't show a false ID to this bouncer.
let arr1 = [];
for ( let i = 0; i < arr.length ; i++){
if (arr[i] != false && arr[i] != null && arr[i] != 0 && arr[i] != "" && arr[i] != undefined && arr[i] != "NaN" ) {
arr1.push(arr[i]);
}
}console.log(arr1);
return arr1;
}
bouncer([1, null, NaN, 2, undefined]);
```