Establishing event handlers with the DOM Level 2 Model : Event « jQuery « JavaScript DHTML






  1. JavaScript DHTML
  2. jQuery
  3. Event

Establishing event handlers with the DOM Level 2 Model

 

<html>
  <head>
    <script type="text/javascript" src="js/jquery-1.3.2.js"></script>
    <script type="text/javascript">
        $(document).ready(function(){

$(function(){
    var element = $('#my')[0];
    element.addEventListener('click',function(event) {
        say('once!');
    },false);
    element.addEventListener('click',function(event) {
        say('twice!');
    },false);
    element.addEventListener('click',function(event) {
        say('three times!');
    },false);
});
function say(text) {
$('#console').append('<div>'+text+'</div>');
}
        });
    </script>
<style>

  div { margin:3px; width:50px; position:absolute;
        height:50px; left:10px; top:30px; 
        background-color:yellow; }
  div.red { background-color:red; }
  
</style>
  </head>
  <body>
    <body>
      <img id="my" src="my.jpg"/>
<div id="console"></div>
    </body>
</html>








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9.Define custom event
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11.Pass some extra data before the event handler:
12.To cancel only the default action by using the preventDefault method.
13.Tracking event propagation with bubble and capture handlers
14.Dynamically tracking the dimensions of an element