Definition of event handler in English English dictionary
A NonStop CORBA object that supports asynchronous communication between a NonStop CORBA application process and other processes, for example, a legacy client or server Event handlers are specialized to manage connections using file-system, context-sensitive Pathway, or TCP/IP protocol
—A function or method containing program statements that are executed in response to an event See Callback method
A piece of code for processing an event An event handler for a window or dialog box is an Object COBOL method An event handler for an HTML or ActiveX layout form is written in JavaScript or JScript and embedded in the HTML page
A procedure called by the Xt event dispatcher when a widget receives an event of a given type Event handlers provide input processing at a lower level than callbacks or action routines
In event-driven programming, a method that is called when a relevant event occurs See the chapters on Event-Driven Programming and Event Delegation
JavaScript resides in the browser, so it can access distinct parts of the html page In this example html page, there is a form, inside of which is a select object, in which there are option tags that have values The subject of this deconstruction, the onchange event handler, has an action associated with it that is executed whenever something changes, ie on a change to the object, the event handler does what it has been told to do If you set the onchange event handler on an object, whenever that object is changed, the onchange event handler does what you have told it to do
An event handler is the code that is executed when an event occurs Example of events could be a mouse click or a variable value being reached An event handler could cause a new page to load
A piece of code to respond to certain events On web pages, events are usually user actions such as moving the mouse, typing, etc An event handler controls the response to that action, thus making content dynamic
A method that is designed to do some specified processing when a particular event happens The class that generates the event is referred to as an event source See also: event