Unit 5 Building Apps Code.org
Terms in this set (10)
UI on event block
Executes the callback code when a specific event type occurs for the specified UI element id.
buttons, images, text boxes, pull down menus, screens and other objects found on the user interface that trigger events
click, scroll, move mouse, type keyboard key, etc. that are triggered by user interaction with objects on a user interface elements
event driven program
a program designed to run blocks of code or functions in response to specified events (e.g. a mouse click)
an overarching term for the coding tasks involved in making your app respond to events by triggering functions.
a command (onEvent in App Lab) that can be set up to trigger a function when a particular type of event occurs on a particular UI element.
a function specified as part of an event listener; it is written by the programmer but called by the system as the result of an event trigger.
finding the error in ones program
error cause when the computer can't understand or execute your program, requires careful reading of each character of code
error cause when the computer runs your program but doesn't behave as expected
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