Event Code Runs Twice?
Feb 23, 2010
Does anyone know why these event codes run twice? E.g. I am using a cookie to keep track of [Ctrl] + [Shift] + [F] by incrementing a variable once everytime it is used. However the code for it runs twice and thus the variable is never odd as it always increments by two.It's the same for the other events, such as [Ctrl] + [Shift] + [S], it runs twice. This was not occuring when I first inserted the cookie code last week. I have read about "bubbling" but I cannot seem to stop the code running a second time.EDIT: Internet Explorer (6+) is only browser code needs to work in.
document.addEvent('keydown', function(event) {
var event = new Event(event);
if (event.key == 'f' && event.control && event.shift) {
[code]....
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May 14, 2011
I'm having difficulty in explaining why the following code runs slower in IE9 than IE8! (Testing in Win 7 IE9 both 32 bit and 64 bit running in VMWare 3 virtual machine on OS X 10.6.7)
Here's some test code that runs smoothly in about half a second in (latest) FF/Chrome/Safari on OS X, WinXP, and Win7 plus IE7 & 8 on WinXP (for simplicity I removed the tweak that makes it work in IE6).
For some reason I can't explain, it's awful in IE9, slow and clunky. Reducing the time for the setTimeout makes it a bit quicker but no less jerky.
I've tried removing and benchmarking a number of what might be the choke points (Math.min for example ... all with no change.
Here's the test code ...
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Nov 4, 2009
I have created some code that alerts me the contents of all the child divs inside a main div
function CheckEventLayout(){
//check all divs in area and resize overlapping divs
var RunOnce;
if( RunOnce != true ){
var StartTimes = new Array();
var EndTimes = new Array();
var i = 0;
$("div#day-view-overlay").children("div.day-view-appointment").each(function(){
var DoOnce;
if( DoOnce != true ){
alert($(this).html()); .....
CheckEventLayout();
The problem is this code is on a page that is loaded via post and if you go off the page and then back onto it jquery seems to attach the function again so it runs twice. So need to unbind this function before the script runs again.
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Jul 11, 2009
I am running a sliding menu on my website and it runs fine on my Moz FF browser but not in the IE version.This is the script I am using:(There is a couple of lines of php at the topbut main bit is javascript)
<PHP
echo '
<div id="divStayTopLeft" style="position:absolute">
[code]....
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Aug 3, 2010
I'm trying to put together this expandable menu that runs sql (using javascript and php). I've got the code below but I'm horrible with javascript and I can't get two things to work.I cannot figure out how to use the closall() function so that when the page opens all selections are closed.I'm trying to get the mouseover colors and clickable areas and the only way I know how to do that is with a table so I thought I'd put a quick table in between the <li> but can't figure out the whole onClick= to incorporate the # so that I can get rid of the <a href> tag part...
Code:
<?php
require("connect.php");
[code]....
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Jul 17, 2010
i have this code:
Code:
<script>
setInterval(function() {SwitchPic()}, 4000);
[code]....
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Jul 23, 2005
I've been looking up lots of documentation and trying to work out a
cross-platform method of capturing a keyboard event and working out
which key was pressed. From what I can find, there doesn't appear to be
any standardised keyboard event interface other than this DOM 3 Events
W3C Working Group Note [1]. However, it is only a note and doesn't
appear to be implemented in any browser. Is there another standard that
I've missed?
The Gecko DOM Reference lists event.keyCode [2], but this doesn't appear
to be implemented in Firefox 1.0.2, as e.keyCode in the following
returns 0, regardless of the key pressed. Code:
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Jul 20, 2005
I have a html document, in which I include two standard libraries of
functions (supposed to help me with cross browser issues), and one
application-specific script file. All Javascript fcoz.
The very first attempt at invoking a function from this last script file
fails miserably in IE (6) but works as it should in Moz (1.4)
I have tried putting alert()s here and there, so I (think I) can tell
the exact spot where IE dies.
Structure is like this (all in HEAD):
<script type="text/javascript" src="../libPlatform.js"></script>
<script type="text/javascript" src="../libDOM.js"></script>
<script type="text/javascript" src="tooltip.js"></script>
<script type="text/javascript">
function register() {
initAPI();
alert('after init');
regTooltip('a1');
alert('after dreg-1');
regTooltip('a2');
}
</script>
initAPI sits in libPlatform, and executes. I get to see the first alert.
And then, boom, IE script errors on page: Object expected (points to
'regTooltip')
Am I missing something here? If my code is wrong, why is Mozilla so
forgiving about it? How can I persuade IE to get the function?
Note: if I put regTooltip() right above register(), so locally in the
document, it works.
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Mar 4, 2011
I'm making a website at [URL].. and I'm trying to create a menu using Jquery 1.3.2. Anyways, if you look at the tabs in my header, they have an effect but it only works once. After I mouse over the same tab a second time, they do not animate. I also have a similar menu at [URL].. You may notice the second menu also will fade to a darker gray. If i copy and past that code into my drupal block, it will still only animate one time. Do i need to include something extra because its version 1.3.2??? I also have another Jquery plugin below the header which is called a S3SLIDER. I'm not calling the jquery script up more than once.Here's the code for the Jquery menu at adc-design.com:
[Code]...
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Mar 8, 2010
I have a function which is called twice. It allows the elements of an array to be set to a different color, successively:
function ln8 (arrayA,color,current) {
var arrayB=(typeof arrayA == 'string')? arrayA.split(',') : arrayA;
var line = document.getElementById(arrayB[current]);
[code]....
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Feb 1, 2011
my AJAX is working in FF and Opera just fine, As in it repeats the function whenever the button is clicked, but in IE the first click works, but then it doesn't repeat...I've been searching around form some fixes, and found quite a lot but none of it seems to work [as you can see i've tried adding '.live' but still nothing]
Heres' the code:
<script type="text/javascript">
$(document).ready(function(){
[code]....
This is currently at the top of my index.php, but the button to run this function is echoed by php which I feel may have something to do with it?
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Jul 17, 2011
My name is juan and recently started html programming. I have a web page with a drop box with the name of states.
Code:
<option value="">Alabama</option>
<option value="">Alaska</option>
I can add a onclick="code here" to the tag so that when the drop box alabama is selected it triggers the onclick event. Im using Ibox in order to have a image of the state open.
Code:
<a href="images/large/image_1b.jpg" rel="ibox" title="alabama at 1024x450!"><img
src="images/small/image_1.jpg" alt=""/></a>
the above is a <a> link tag correct? How do I go bout adding the above code into the onclick event?
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Jan 31, 2011
<!DOCTYPE HTML>
<html>
<head>
<script>
DOM library and calendar code created by BetaWar
DOM = {
after: function(sibling, child){
[Code]...
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Jun 7, 2010
I'm writing a JavaScript Equation Editor / Whiteboard App, and i seem to be having a problem with one line of JavaScipt Code.... The Equation Editor is hosted live here:[URL] I have used the DOM Inspector (i'm using firefox) to look at the onMouseDown= event code, and it should work.... However, when i try to drag a Math Element Image to a different location (after it has been added to the page by clicking on the Math Element Keyboard), it does nothing. I looked on the Error Console, and there is nothing there.
I looked at the Node value in the DOM inspector, and it is as it should be. I have also tried changing and removing some double quotes and single quotes, as that has worked in the past on similar code snippets.
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Apr 23, 2010
Thought I might gives this a go instead of the usual flash. Installation went fine, but the images runs a bit inconsistently? Images are 30-50kb which shouldn't be a problem. [url]
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Jun 30, 2009
I currently have a timer that counts down and what I would like is when the times runs out it then displays text or html (answer to question). I currenlty have the timer counting down and a seperate js show answer link that will show the div.
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Feb 23, 2010
function update(value1){
doAjax("behind_scan.php" , "id="+value1);
}function doAjax(url , str ){
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null){
alert ("Browser does not support HTTP Request");
return;
}url=url+"?"+str;
xmlhttp.onreadystatechange=stateChanged;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}function stateChanged(){
if (xmlhttp.readyState==4){
//document.getElementById("txtHint").innerHTML=xmlhttp.responseText;
//alert(xmlhttp.responseText)
document.forms.myform.scanner.value = "";
document.forms.myform.scanner.focus();
}}function GetXmlHttpObject(){
if (window.XMLHttpRequest){
// code for IE7+, Firefox, Chrome, Opera, Safari
return new XMLHttpRequest();
}if (window.ActiveXObject){
// code for IE6, IE5
return new ActiveXObject("Microsoft.XMLHTTP");
} return null;
}
This pages calls a function on a separate php page to run 2 mySQL queries, the value must be put in the text 3 times in quick succession before the database is altered. I've tried all the other functions and they seem to be fine, AJAX is my weakness but I need it for the main functionality of my website. I need this to work.
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Jul 17, 2006
question: if you want a link which simply runs a js function is it acceptable to have no href? the problem with this is the cursor doesnt change when you hover over, but if you put # as the href it jumps to the top of the screen which is sometimes unacceptable. what it the best solution to this? granted you could do event handling behind the scenes and just intercept the clicks and prevent the href from going anywhere, but sometimes you just want to stick an onclick on the anchor tag!
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Jan 15, 2003
I'm trying to get a simple script to run where it cycles thru a few images with corresponding links and displays them on a page. I get the script to run 2 times then it breaks on the third with a runtime error saying "object expected Line 0". Code:
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Dec 2, 2010
I am doing a simple function to validate text fields(you can see the code below). Now, the alert box appears only once when I refresh the page, not when I click inside or outside the username box. #username is the id of a input text field. On a sidenote, how can I pass multiple parameters to the function(not a fixed number of params)? or should I just pass an array?
[Code]...
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Nov 16, 2010
I have a html cum javascript code.There is thumnail on the page .When somebody click the thumnail ,the full resolution of the same image would show and when click of full resolution the thumnail would show.It is going well with one thumanil of the page when there are 2 thumanil on the same page,clicking on first thumnail shows the full resolution of the same but the 2nd thumnail is also showing at the back of full resolution.It looks like full resolution image is transparent..
Here is the code ,you can try it by running at your own computer.
HTML Code:
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Oct 13, 2010
I have some half-working script I'm playing with that I half-understand (this is the real problem) which I'm having troube debugging because it always does work when I refresh.So whenever I step through my functions with Firebug everything does what I expect it to do: but if then I re-invoke my onchange event, not every step is taken and it's hard to see why because I can't "see" what it's doing after the page has loaded and the script run at least once.This is for hide-and-show in a form and all the other versions I see online are even less understandable than what I've got so far. So I figure I'd better debug the one I have.Anyone know how to re-watch a script onevent?
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Aug 21, 2011
Problem in the timing of the script. The problem is that when I try to get an id of an object that was added by ajax, the script doesn't recognize it. The html:
<select id="categories" name="categories">
<option value="3">aa</option>
<option value="43">bbb</option>
</select>
When I load the page, there is this script that get the value of the #categories and use ajax to fill another select and in the same ajax, I load images by another function using the new select input that was created:
function fill_subcategories(){
parent=$("#categories").val();
$.ajax({
type: "post",
url: "ajax/sub_galleries.php",
data: 'parent='+parent,
success: function(data){
$('#sub_categories').html(data);
}});
show_exist_imgs()
}
This fills this div:
<select name="sub_categories" id="sub_categories"></select>
Right after filling the #sub_categories, I use another ajax that get images of the new id of the #sub_categories, and here I get the problem.. the js:
function show_exist_imgs(){
g_id=$('#sub_categories').val();
$.ajax({
type: "post",
url: "ajax/show_exist_imgs.php",
data: 'g_id='+g_id,
success: function(data){
$('#exist_files').html(data);
}});
}
This script doesn't recognize the id of the new $('#sub_categories') select input.. why is that?
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Aug 27, 2005
I change image.style.width inside a image.onload function. And surprisingly, I found that it runs the onload function on the same image again with the new style.width value. Javascript treats this as a new image! This is the same old image.
Is there a way to pervent it from runing onload the second time?
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Nov 8, 2011
I m trying to check if user has selected at least one checkbox and give an alert for select atleast one.the checkbox in the forms are dynamics depends up on data received from database for ex.user has to select at least one customer to process ahead .i have written below code to validate :
alert_flag=0;
for(j=0;j<count0;j++)
{
[code]....
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Aug 13, 2009
New to jQuery, I did many searches before posting. This is happening in both IE6 and Firefox 3.0.13. I've gotten the following script to work under strange circumstances (explained below
first snippet).
[Code]...
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