actionButton

Specifies the input slot that will be used
  to access the value.

inputId

The contents of the button--usually a text
  label, but you could also use any other HTML, like an
  image.

label

Creates an action button whose value is initially zero,
  and increments by one each time it is pressed.

Shiny makes it incredibly easy to build interactive web
    applications with R. Automatic "reactive" binding between inputs and
    outputs and extensive pre-built widgets make it possible to build
    beautiful, responsive, and powerful applications with minimal effort.

actionButton: Action button

Description

Usage

Arguments

See Also