Set the background color of an <input> field when a keyboard key is released:
The order of events related to the keyup event:
The keyup event occurs when a keyboard key is released.
The keyup() method triggers the keyup event, or attaches a function to run when a keyup event occurs.
Tip: Use the event.which property to return which key was pressed.
Trigger the keyup event for the selected elements:
Attach a function to the keyup event:
|function||Optional. Specifies the function to run when the keyup event is triggered.|
Determine which key was pressed
How use the event.which property to determine which key was pressed.