CSI3540. Structures, techniques et normes du Web (Q2)
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``I just had to take the hypertext idea and connect it to the TCP and DNS ideas and -- ta-da! -- the World Wide Web'' Tim Berners-Lee
Question 2: Single Handler with Capture vs Bubbling Phases

Instructions: Hover over any element on this page to highlight it. Use the button below to toggle between CAPTURE and BUBBLING phases. Watch the browser console (F12) to see which phase is active.

Analysis: For mouseover/mouseout events on interactive elements, which phase is more favorable?

Answer: BUBBLING phase is more favorable because:

  • More intuitive for user interactions (events bubble up from target)
  • Allows easier event delegation
  • Natural flow for mouseover/mouseout events
  • CAPTURE phase processes events too early before user interaction is complete

Page Content
2010-03-08
Infrastructure de base du Web. Serveurs et navigateurs. Exemples de protocoles. Internet et virus. Architecture de moteur de recherche. Contenu et présentation Web. Pages Web, leur structure et leur interprétation. HTML, XML et leurs dérivés. Interfaces Web vers les logiciels et bases de données. Témoins et droit à la vie privée. Web sémantique et ontologies. Services Web.