Impossible to select a numerical value using the numpad (numerical pad on the right side of the keyboard)

[romain-granai]

Impossible to select a numerical value using the numpad.

Demo : ​https://jqueryui.com/selectmenu/

How to reproduce the issue :

• Go to ​https://jqueryui.com/selectmenu/
• Focus or open the "Select a number" dropdown
• Use the numpad to select a number

Bug :

• Nothing is happening

Result expected :

• The related option is focused/selected as normal behavior of a select.