Are there up/down arrow buttons in Shiny?

[L McMillan]

Hi,

I want to create an app that lets users increase or decrease the amount of something, so I want to add triangle-shaped up and down buttons next to the label for the item.

Are there already up/down triangle-shaped buttons available within Shiny or any of the Shiny GitHub projects?

Or do I just have to use two buttons labelled as + and - ? I'd rather have up and down triangles because the app is intended as a game for young children and I think the triangles are a more intuitive interface.

Thanks very much,

Louise

[Joe Cheng]

Here's one way:

actionLink("up", NULL, icon("arrow-up")),

tags$br(),

actionLink("down", NULL, icon("arrow-down"))

(actionLink is the same as action button, but without the visual button outline.)

There are tons of different options you can use besides "arrow-up" and "arrow-down", see the "Directional Icons" section on this page: https://fortawesome.github.io/Font-Awesome/icons/

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