--%>
Assignment Help - homework help

Benefits of the event-delegation model

Write down some of the benefits of the event-delegation model over event-inheritance model?

E

Expert

Verified

Event-delegation model consist of two benefits over event-inheritance model.

a) Event delegation model allows event handling by objects other than ones which produce the events. This permits a clean separation between the component's design and its use.

b) This performs much better in applications where numerous events are produced. This performance enhancement is due to the event-delegation model doesn’t have to be repeatedly process unhandled events as is the case of event-inheritance.

   Related Questions in Programming Languages

  • Q : What is an Arithmetic expression

    Expression: It is a combination of operands and operators which generates a resultant value. Expressions contain a resulting type that affects the context in which they might be employed.

    		•
  • Q : Use of XMLHttpRequest object in AJAX

    What is the use of XMLHttpRequest object in AJAX?

    		•
  • Q : What is Binary operator Binary operator

    Binary operator: It is an operator taking two operands. Java has numerous binary operators, like the arithmetic operators +, -, *, / and %, and the Boolean operators &&, || and ^, among others.

    		•
  • Q : Define the term XSL-FO Define the term

    Define the term XSL-FO. Answr: A sub-element of XSL used for explaining font sizes, how information flows from one page to other and page layouts.

    		•
  • Q : What is Parsing Parsing : Generally

    Parsing: Generally applied to the action of a compiler in examining a program source file for syntax errors. This is too employed more broadly to mean the analysis of the structure of input.

    		•
  • Q : What is Block Block : The statements

    Block: The statements and declarations are enclosed between a matching pair of curly brackets ({ and }). For example, a class body is a block, as it is a method body. The block surrounds a nested scope level.

    		•
  • Q : Ways to select HTML Tag Instances

    Explain the different ways in order to select the HTML Tag Instances.

    		•
  • Q : What is an Internet Service Provider

    Internet Service Provider: It is an Internet Service Provider (abbreviated as ISP) gives connections to the Internet for users who do not contain their own network. The ISP gives such user with their own IP address which enables them to interact with

    		•
  • Q : Uses of the Utilities.Trim function

    Some tools on the web page I am testing have leading or trailing whitespaces. I am utilizes the Utilities.Trim function to eliminate them, but sometimes this does not work. What is incorrect?

    		•
  • Q : State Cout and Cin Cout: This is an

    Cout: This is an object of ostream_withassign class stated in iostream.h header file

    		•