reactlogShow()
Project 2: Pythagorean Theorem
This script calculates the hypotenuse of a right triangle using
output$C <- renderText({
    sqrt(input$A^2 + input$B^2)
  })
- 
Run
pythagorean-1.Rand change the input values a few times. - 
Stop the app
 - 
Run
reactlogShow()in the console (may need to install first) 
A log will open in your browser
reactlogShow() chart
- 
Click the forward arrow in the log window
 - 
When
input$Aorinput$B’s value changed, it became invalidated. - 
This then invalidates
output$C - 
output$Cbecomes validated once it recalculates