FireFox Event Model Failure
Jul 23, 2005
My original idea of two trains, however pictural it was, appeared to be
wrong. The truth seems to be even more chaotic.
IE implements its standard down-up model: any mouse event goes from the
deepest visible element to the top. By carefully studying fromElement
and toElement properties, one can handle events on any point of their
way up.
NN/FF implements a "Russian hills" style: mouse events go first
up->down (window->deepest element), and right away after that it goes
down->up (deepest element->window). On theory you can handle events
during any phase on any level. On practice this implementation has some
major flaws. I don't have NN handy right now, but in FF we have:
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Sep 6, 2010
I want to hook into validation success/failure events, but don't see an API to do this?
i.e. I want to enable/disable a particular set of controls depending on the state of validation.
Is there a way to do this? Am I missing something?
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Mar 24, 2010
jquery provides ajaxStart() and ajaxStop() events. Those two events do not seem to be triggered if the ajax requests are made by Microsoft Ajax tool Kit (from ASP.Net code). Is there any way to bridge those two event models? If not currently possible, is there any future initiative or plan out there to make this happen?
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Jul 23, 2005
In the code below, I want to add a handler to a *row* (eventually so I can
change the style of a row), but the event is being generated by the TD's it
seems - in Opera and IE. Is there another way to assign a handler, making
sure the event will come from the row and not a TD, or is this simply a box
model issue I cannot work around by assigning new handlers? Code:
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Jul 23, 2005
I am looking for a reference to the Document Object Model interface for
Javascript, preferably in HTMLHELP format. Do you know of any such reference?
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Sep 10, 2010
I am working on a project and in that I have to create:
Image-map tooltip (Mouseover) + Model window (On Click)
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Aug 25, 2005
I have got some confused problem when I try to write some custom object by javascript.
Look at the example code here:
<BODY>
<script language="jscript">
function Class()
{
this.member = null;
this.event = null;
this.memberFunction = function()
{
alert("memberfunc" + this.member);
this.callEvent();
alert('after call');
}
this.callEvent = function()
{
alert("call:" + this.event);
if (this.event)
{
this.event();
}
}
}
var obj = new Class();
obj.member = "hello";
obj.event = function()
{
alert('event');
}
obj.memberFunction();
</script>
<button id=hello >click</button>
<script>
hello.onclick=obj.memberFunction;
</script>
I try to define a javascript class and define a event handler for it. There is a member and a memberFunction and a event in the Class body. Then I created a object (obj) of Class and defined a event handler like this:
obj.event = function()
{
alert('event');
}
When I call the function: obj.memberFunction(); the event handler was
fired and alert a message ('event'). But when I try to use a button to fire the event, it doesn't work. It seems we have lost the member function callEvent, it is a undefined value, the same as this.event member.
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Jul 23, 2005
I am trying to get an alert box with line breaks in it. I want to display a couple pieces of information, and want them broken up. I tried using to get a new line, but kept getting errors in my code.
alert("The combination you have selected: " + + "Background Color: " + color1 + + "Text Color: " + color2)
Of course color1 and color2 have been declared and defined, so I know there isn't an error there.
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Apr 5, 2007
In prototype with ajax.updater you can chose to show errors in another div than the one you want "real" content in.
Code:
new Ajax.Updater({ success: 'items', failure: 'notice' }, 'ajax_req.php', {
parameters: { text: $F('text') },
insertion: Insertion.Bottom
});
But all information i print out from ajax_req.php gets in the items div. How can i print out errors from ajax_req.php into the notice div?
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May 12, 2009
Variables are reaching the php but callback isn't firing. Multiple forms on the page - I've stripped out everything extraneous to try and get a callback. (strangely Firefox 3.0.10 hits the php but breaks while running Firebug(?) and doesn't seem to work in Safari 3.1.2) Sorry if this is covered but been searching and can't solve. php included in case I'm doing something wrong there (as well?) javascript always breaks when I get my hands on it
[Code]...
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Sep 18, 2010
I am trying to figure out a way to have a page redirect if the mysql connection fails. The issue is that the page is already loaded and the only time this would be needed is if the user tries to perform operations on a loaded page after the session runs out.
So basically, I have a page that will allow you to search for an item using ajax, then select an item and press add which will place the item in another table displaying detailed information. Both operations connect to the database using SESSION variables to save the connection information.
My goal is to use the "or die()" method to print something that will force a redirect because this could happen in a number of places in the site and I want to try and get them all in one swipe.
Here is what seemed like it would be the most promising:
$conn = mysql_connect($_SESSION['host'], $_SESSION['username'], $_SESSION['password']) or die("<script>location.href= '../login.php'</script>");
Unfortunately the javascript never runs.... I tried putting alerts also and nothing, but with firebug I can see they are printed.
how I can ensure that the javascript is executed?
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Oct 20, 2009
The first div in this example has the position property stated in the div itself.
The second has it stated in a separate style statement, and it doesn't get inherited, though another property from the same style statement DOES.
Firebug makes no complaints.
Is there a better way to refer to the jquery library files, so that you don't have to fix my pointers to my local library?
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
[Code]....
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Feb 27, 2007
I'm testing a web site in a local directory by opening index.html from the File/Open File... menu of Firefox. When I use xHttpRequest.send() to retrieve a file to include in my page, the callback's status argument is 8 and req.status is 0. I suppose that the 8 is correct in that the req.status isn't 200 but it seems that for file:// (as opposed to http://) that req.status == 0 might be treated as success. I haven't tested far enough yet to know what req.status would be if the file I tried to retrieve was missing.
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Apr 26, 2010
I tried to create a function to reduce some in line code. However something is wrong with the function call getGenderChoice() because the code stops working. If I comment out getGenderChoice() and uncomment the lines that would be in the function it works properly. What would possibly be wrong with a function call that seems to follow function rules?
PHP Code:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>Main</title>
[Code].....
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Apr 21, 2011
Simple enough. This beautiful plugin is what I"m using:[URL]..The problem is, it has no documentation on how to detect a post failure. I know these are rare, but I'd like to code defensively.
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Jul 16, 2009
First, I have to say the jquery form is just perfect and fills very well a common issue for those who need to work with ajax. I would like to know, or even sugest a new feature if it is the case: how can we get, on client side and after an 'ajaxSubmit' call, the error code produced on server side? Is it possible to include such function on jquery form? Because we already have a 'success' callback functionality, how about a 'failure' one?
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May 31, 2009
Can anyone help me figure what kind of criteria I should use to search this forum for a clue as to my dilema?
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Jan 31, 2009
I need an event that checks if the size of a DIV has changed. The "resize" event works in IE but not in FF. Or, more precisely, The "resize" event works in FF but NOT for resizing DIVs. Is there an event that works like the "resize" event but also can be used in with DIVs in FF?
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Jan 28, 2010
After spending hours trying out many different examples that supposedly work with IE and FF, I've decided to post here :)
This is the code I'm using to catch the down arrow:
function is_int(event)
{
var Key = event.keyCode ? event.keyCode : event.which ? event.which :
[Code].....
And called using the following on the text input of a form field:
onKeyDown="is_int(event);"
This works in IE but still not in Firefox (3.5.7). Surprised as it has the .which in there - I thought this is what FF needed?
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May 23, 2007
I am doing some showing and hiding of unordered lists for menus. I like CSS and so I swap the id of the unordered list to either show or hide the <ul>. The code works fine in Firefox but not in IE6. I start with the <ul> hidden using <ul id="SubMenu1Hide">. I attach the evens to the onmouseover and onmousout events. The bug happens in IE when I rollover the element with the event attached it does not show or disappear.
The <ul> seems to stay hidden like it is the default, it will never appear. Here is the weird thing. If I start with the id="SubMenu1Show" the menu shows as it is supposed to, stays visible when I mouseover and then disappears when I mouseout. It then continues to work as it is supposed to, appearing on rollover and disapearing on mouseout.
I want the submenus to all stack on top of each other on the page and be hidden by default then only show when you mouseover it's main menu heading. Here is the code:
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Aug 15, 2010
with the equivalent code of this in firefox?
<html>
<head>
<title>Event Handling</title>
<script type="text/javascript">
<!--
//MOUSE COORDINATES
function updateMouseCoordinates(){
[Code]...
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Mar 19, 2010
I have come across a problem that seems common with firefox and the use of event. I have a simple javascript function which trys to determine the element that an event was acted upon:
Code:
This is called on click of a input:
Code:
This seems to work correctly for every browser except firefox. A quick search online and all the fixes seem to include:
Code:
But when I debug this function, neither e or event are defined, am i overlooking something really obvious?
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Feb 2, 2010
I made a very, very small project with a simple form one input field (in fact it is not used) one image (clickable) one button
<input type="text" id="setNom" value="admin"/>
<input type="image" id="validNom1"
src="ok-16.png" alt="valider" title="valider"' />
<input type="button" id="validNom2" value="OK" />
[Code]...
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Jun 18, 2007
Code like :
-------------------------------
<img src="xxx.gif" id="top_menu_4" onclick="main_menu_select(this)">
I want to remove the onclick event:
-------------------------------
window.$ = function(name)
{
return document.getElementById(name);
};
$("top_menu_4").removeEventListener("onclick", main_menu_select,
false)
But it can't work in Firefox
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Apr 15, 2011
I have a requirement to force the pageUp and pageDown keys to function the same as the arrowUp and arrowDown. I believe I'm ok with IE but have issues with setting the value for FireFox ...specifically line: evt.which=38; and line evt.which=40; -the "which" seems to only have a getter-
try{
if (window.document.addEventListener) {
window.document.addEventListener("keydown", reviseKeyFunctions, false);
}else{
[Code]....
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Oct 20, 2009
My code below is working in IE but not Firefox:
[Code]...
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