Should dropdown menus be indicated by arrows?

1. What is a dropdown arrow?
2. How do you add an arrow to a drop down box?
3. Which way should chevrons point?

What is a dropdown arrow?

The arrow on a dropdown button should point right or down as it indicates new content will be visible once clicked. Once the dropdown has been opened, clicking the button again should close it.

How do you add an arrow to a drop down box?

You can use . dropdown class to add dropdown arrow to your button. It will not automatically add dropdown functionality to your button. To achieve this you have to attach the Dropdown plugin.

Which way should chevrons point?

Chevrons are most often used on the outside of a curve or the narrowing of a road. For the striped designs, the stripes should point down – to indicate the direction for the traffic to pass an obstruction.