/*
JavaScript Bible, Fourth Edition
by Danny Goodman
John Wiley & Sons CopyRight 2001
*/
#mySPAN {font-style:italic}
// assemble a couple event object properties
function getEventProps() {
var msg = ""
var elem = event.srcElement
msg += "event.srcElement.tagName: " + elem.tagName + "\n"
msg += "event.srcElement.id: " + elem.id + "\n"
msg += "event button: " + event.button
return msg
}
// onClick event handlers for body, myP, and mySPAN
function bodyClick() {
var msg = "Click event processed in BODY\n\n"
msg += getEventProps()
alert(msg)
checkCancelBubble()
}
function pClick() {
var msg = "Click event processed in P\n\n"
msg += getEventProps()
alert(msg)
checkCancelBubble()
}
function spanClick() {
var msg = "Click event processed in SPAN\n\n"
msg += getEventProps()
alert(msg)
checkCancelBubble()
}
// cancel event bubbling if check box is checked
function checkCancelBubble() {
event.cancelBubble = document.controls.bubbleOn.checked
}
// assign onClick event handlers to three elements
function init() {
document.body.onclick = bodyClick
document.all.myP.onclick = pClick
document.all.mySPAN.onclick = spanClick
}
// invoke fireEvent() on object whose ID is passed as parameter
function doFire(objID) {
var newEvt = document.createEventObject()
newEvt.button = 3
document.all(objID).fireEvent("onclick", newEvt)
// don't let button clicks bubble
event.cancelBubble = true
}
fireEvent() Method
This is a paragraph (with a nested SPAN)
that receives click events.
Control Panel
Cancel event bubbling.