The
The text box goes from an empty to a non-empty state
The text box goes from a non-empty to an empty state
The first change made after the text has been set by the form build process or by JADE logic
Use the firstChange event to move logic from other key events when that logic is relevant only to the first time the text changes; for example, when the logic is recording that the text content has changed. As a result, removal of the other key events reduces the number of events that must be sent and processed for each key that is pressed.
The firstChange event for the