You will need a font that allows you to view Hebrew.
dir on html, javascript prompt box
Click on the button. Assertion holds if:
A. Icons, text, buttons, etc run in the same direction as usual
B. The "W3C" is to the left of the Hebrew text on the chrome
C. The order of characters in the Hebrew text on the chrome follows that in the reference graphic below the button
C. The "W3C" is to the left of the Hebrew text in the default input
D. The order of characters in the Hebrew text in the default input follows that in the reference graphic below the button.
Assertion: [Exploratory test] When the html tag sets dir to rtl, (a) the layout of the JavaScript prompt box has the same direction as usual (b) text runs on the chrome are in the correct order (c) characters within a directional run on the chrome are in the right order (d) text runs in default input are in the correct order (c) characters within a directional run in default input are in the right order.
Notes:
This behaviour is not described by the HTML specification.