If in list js
- Js check if list
- If value in list js
- If item in list js
- If element in list js
- If string in list js
- If x in list js
- If not in list js
- Check if element in list js
- Check if item in list js
- Check if string in list js
- Check if object in list js
- Check if number in list js
- Check if element exists in list js
- Check if something is in list js
- Js if var in list