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JavaScript - Onload Event Doesn't Fire, Pls. Help
I have an aspx with javascript, and I used to call a script func whenever the page was loaded. Suddenly it doesn't work. I then tried to simplify things to
<body onload="alert('hello');" and no alert is shown, nor do I get any error. How come the onload event doesn't fire? How do I fix it? thanks in advance Similar TutorialsHello Can anyone help with the following problem On the following page http://www.stroudskittles.co.uk/signingon.html I have a Body onload event (to load the chained Menu) and a windows.onload event (to load the IFrame Ticker) If I open the page in Internet explorer both scripts function; however in Firefox I'm having problems. The Chained Menu works, however the IFrame Ticker does not display. Both events ahave ben placed on the boady tag. Can anyone advise how I can get both to display in Firefox Can anyone I'm trying to get a select box to populate onload but can't get it to go. It works fine onchange. This populates the city select box from my db depending on what state is selected. Here are the functions: Code: function handleOnChange(dd1)
{
var idx = dd1.selectedIndex;
var val = dd1[idx].text;
var par = document.forms["cbcheckedadminForm", "adminForm"];
var parelmts = par.elements;
var cb_citysel = parelmts["cb_city"];
var state = val;
var directory = ""+document.location;
directory = directory.substr(0, directory.lastIndexOf('/'));
Http.get({
url: "./components/com_helloworld/js/regvalues/" + state + ".php",
callback: fillcb_city,
cache: Http.Cache.Get
}, [cb_citysel]);
}
function fillcb_city(xmlreply, cb_cityelmt)
{
if (xmlreply.status == Http.Status.OK)
{
var cb_cityresponse = xmlreply.responseText;
var cb_cityar = cb_cityresponse.split("|");
cb_cityelmt.length = 1;
cb_cityelmt.length = cb_cityar.length;
for (o=1; o < cb_cityar.length; o++)
{
cb_cityelmt[o].text = cb_cityar[o];
}
}
else
{
alert("Cannot handle the Ajax call.");
}
}
And here's how I'm trying to do the onload: Code: function addLoadEvent(func) {
var oldonload = window.onload;
if (typeof window.onload != 'function') {
window.onload = func;
} else {
window.onload = function() {
if (oldonload) {
oldonload();
}
func();
}
}
}
addLoadEvent(function() {
ajaxFunction(document.getElementById('country').value);
});
addLoadEvent(function() {
setupDependencies('cbcheckedadminForm', 'adminForm', 'locationsearch');
});
addLoadEvent(function() {
handleOnChange(dd1);
});
addLoadEvent(function() {
fillcb_city(xmlreply, cb_cityelmt);
});
I've tried variations of handleOnChange(cb_state), handleOnChange(document.getElementById('cb_state'), handleOnChange(ydntuwrkupceofcrp), I've tried chaining the 2 functions together, but nothing I do seems to get this to work. What am I missing here? Greetings. I am using an image galery script written by another person - frogjs (http://www.puidokas.com/portfolio/frogjs/) This script is showing current pic in the middle of the screen and next/previous little tumbnails on right/left sides of the current. When you click the next pic, current pic is zoomed out to the left and next pic is zoomed in to the middle, then replaced by a full-size pic. Then a new tumbnail appears on the place of the next pic you clicked. Zooming and stuff is done with another thirdparty script "effects" (script.aculo.us effects.js v1.7.0) My problem is, the actual next tumbnail is not being shown until the big image is preloaded for this thumbnail. This is done to make it look smooth. So, when i click "next" picture, the next picture is shown, but switching to the following one is delayed until that following one is actually loaded. It is done by making an imgpreloader=Image() object and setting imgpreloader.onload to a function, then setting imgpreloader.src to the big image path. The big image then is supposed to be automatically loaded by browser. When its done, an onload event should fire and that should execute the function that shows the thumbnail for the big picure. Problem is, sometimes the onload event won't happen! And since it wont happen, my gallery will "stall" - it will never show next thumbnail and never allow to continue viewing. And if i show next thumbnail immediately, the next picture would be shown partially and that does not look good. Moreover, i've seen numerous image galeries on numerous sites and all of them seem to work with onload because i only see the image when its loaded, until that i see some "wait" or "grey screen" thing. Never had a problem with those stalling. Problem happens mostly with Opera and Chrome and happens seldom with IE. So, question is, do you probably know what can prevent browsers from firing and OnLoad event or from loading a picture when its suppied as an src for an Image() object? Do you know a workaround that can "poke" the browser to remind it to get the damn picture again and not to stall. I have created a Blackjack program. I have noticed that clicking on the vertical part of the 'D' on the "Deal" button doesn't always fire the onclick event. I use JS to change the div's style when clicking on it to give the appearance of a normal button. Here's the link: http://www.myfsjournal.com/blackjack/index.php username: test password: test Here's relevant code: HTML: Code: <div id="dealButton" style="position:relative;float:left;width:100%;z-index:10;">
<div id="deal" title="Deal" style="cursor:pointer;background:#CCC;padding:3px;width:75px;height:auto;border-top:1px solid;border-left:1px solid;border-bottom:3px solid;border-right:3px solid;" onclick="window.location = 'index.php?a=deal'" onmousedown="javascript:buttonDown('deal');" onmouseup="javascript:buttonUp('deal');" onmouseout="javascript:buttonUp('deal');">
Deal
</div>
</div>
And my JS code: Code: function buttonDown(id)
{
document.getElementById(id).style.borderBottom = "1px solid";
document.getElementById(id).style.borderRight = "1px solid";
document.getElementById(id).style.borderTop = "3px solid";
document.getElementById(id).style.borderLeft = "3px solid";
}
function buttonUp(id)
{
document.getElementById(id).style.borderBottom = "3px solid";
document.getElementById(id).style.borderRight = "3px solid";
document.getElementById(id).style.borderTop = "1px solid";
document.getElementById(id).style.borderLeft = "1px solid";
}
**just realised I have put this in the wrong section
Good morning guys. I am new to Javascript and am trying to add some functionality to a website but have come across a problem when trying to utilise two seperate Javascript onloads events. I have a text scroller to display the latest news and I also have a javascript lightbox gallery. Both of these events work perfectly on their own but when I try to include both on one page only one of the events is executed. My code is displayed below: Code: <script type="text/javascript" src="js/prototype.js"></script>
<script type="text/javascript" src="js/scriptaculous.js?load=effects,builder"></script>
<script type="text/javascript" src="js/lightbox.js"></script>
<script type="text/javascript" src="js/jquery-1.2.6.pack.js"></script>
<script type="text/javascript" src="js/jquery.li-scroller.1.0.js"></script>
<script type="text/javascript">
$(function(){
$("ul#news-scroller").liScroll({travelocity: 0.04});
});
</script>
</head>
<body onload="clickMenu('gallery'); initLightbox()">
If anyone could tell me where my mistake is I would be so grateful. I know it is probably a really obvious mistake but being new to this I am unsure where to start looking. Thanks in advance! Mack Greetings! Im new in JS, I have two sets of codes and I searched that JS code will not execute if there is two onload event at the same time. How can I get rid of these here are my codes from http://code.jquery.com/jquery-1.6.3.min.js http://ajax.googleapis.com/ajax/libs.../jquery.min.js Code: else if(c.attachEvent){c.attachEvent("onreadystatechange",B),a.attachEvent("onload",e.ready);
and Code: else if(c.attachEvent){c.attachEvent("onreadystatechange",C),a.attachEvent("onload",e.ready);
Is it possible to combine the two? any help will be appreciated. If I use a window opener to open a new window, is there a way to detect that the new window is finished loading before carrying out some other directive in the opener window? Can I access the remote window's onload event from the opener window? I need to know that the website has loaded before moving to the next page. something like: remoteWindow.onload = goToPage(url); Is this even possible? I have the following javascript function: [ function addNewWindowEvent(evType, fn) { if (window.addEventListener) { this.addEventListener("load", fn, false); return true; } else if (window.attachEvent) { var onload = "onload" this.attachEvent(onload, fn); return true; } else { return false; } } ] which is giving me a an exception every time a page on our site loads. The actual exception in firefox is this: uncaught exception: [Exception... "Could not convert JavaScript argument" nsresult: "0x80570009 (NS_ERROR_XPC_BAD_CONVERT_JS)" location: "JS frame :: https://cms-dev.stchas.edu/global/js/hdvscripts.js :: addNewWindowEvent :: line 5" data: no] and I'm not sure exactly what it's complaining about. I'm relatively new to javascript so diagnosing and fixing this problem has me quite puzzled, and so far I have been unable to find anything helpful when I try and google for information on this. I would appreciate any help or suggestions. Thanks. henryv hi -- someone wrote a script for me to simulate an image map on a background header in wordpress. it works great in chrome and ie, but not firefox. can someone pls. help? thx. <code> <script type="text/javascript"> function geturl() { myMouseX=event.clientX if(myMouseX < 400) { return "http://www.alexandrazissu.com/az-blog/books/"; } else { return "http://www.alexandrazissu.com/az-blog/"; } } </script> </code> and then the call: <code> <div id="header-image" onclick="location.href = geturl();" style="cursor: pointer;"> </code> Hi forum, I am trying to attach an event to a dynamically produced button, and then use stopPropagation and preventDefault. Code: function chapter12_nodeOne() {
//create an element
var element = document.createElement('input');
//set some attributes
element.setAttribute('type', 'button');
element.setAttribute('value', 'submit');
element.setAttribute('id', 'myBtn');
//appendd the element into a DIV
document.getElementById('myDiv').appendChild(element);
//uses EventUtil to attach an event listener
EventUtil.addHandler(element, 'click', function() {
alert('event attached');
});
var flag = confirm('prevent default behavior of button?');
if (flag) {
var el = document.getElementById('myBtn');/////////////////////////(1)
var ev = el.onclick;
}
}
var EventUtil = {
addHandler: function(element, type, handler) {
//check if the element and the browser support DOM Level 2 event attachment
//if the user is not browsing with IE
if (element.addEventListener) {
element.addEventListener(type, handler, false);
}
//if user is browsing with IE
else if (element.attachEvent) {
element.attachEvent("on" + type, handler);
}
//if user is using a browser that only supports DOM Level 0 event attachment
else {
element["on" + type] = handler;
}
},
removeHandler: function(element, type, handler) {
//check if the element and the browser support DOM Level 2 event attachment
//if the user is not browsing with IE
if (element.removeEventListener) {
element.removeEventListener(type, handler, false);
}
//if user is browsing with IE
else if (element.detachEvent) {
element.detachEvent("on" + type, handler);
}
//if user is using a browser that only supports DOM Level 0 event attachment
else {
element["on" + type] = null;
}
}
};
But when debugging I see under el on the line marked with (1) that the onclick event is null. What am I doing wrong?! PS:the event is attached, when I click on the button I get an alert message is it possible to capture the control.event or element.event that was fired to invoke the onbeforeunload event. for example, if a button is clicked and it causes the onbeforeunload event to fire can i determine which button was clicked. thanks I've built a site which involves some cool scrolling effects via javascript. I tested it in Chrome, Firefox, Safari, Opera and IE8. Worked Perfectly. Then, I try IE7, and its a dud. Tried from multiple computers, so it is an IE7 issue. Here's the issue. When the page loads normally, a flash intro plays and then the menu shows up. When you click on a menu option (only products and services work), it scrolls the image/layer inside of the div to the proper layerID. (so far, I only have products and services working.. ) When you click on the menu option in IE7, or earlier I'm guessing, It just scrolls to the menu image slice, not the proper layerID it calls for. Heres the link: www.designbyryanboog.com/spa Sorry about not posting code, but there is a lot. I appreciate ANY help, thanks! I have a ondrag event handler and in that I am trying to retrieve e.ClientX but it always return 0 in Mozilla. Works fine in IE though. How can retrieve the clientX and clientY in ondrag event? How can we fire/invoke ondragstart diagrammatically in Mozilla?
I am registering the ondrag event handler on mousedown event as follows: td.addEventListener("drag", MyMethodName, false); But the drag event fires only if I select the entrie Td with mouse and not when right click over td and try to drag. My browser is mozila. Any ideas on this one? Hello I am trying to display an image (url stored in a variable) in an iframe, and write some text (which is also stored in a variable) to a div when the user clicks on another image. (hope that makes sense!) The image display part works fine, but I cant find out how to make the part of my javascript which writes the text work. My code is below, I think the problem is to do with the OnClick event but I'm not sure. Any help you can offer might save what little hair I have left! [CODE] ******************************************** This script displays the image in the iframe <script type="text/javascript"> function fitTable(Jvar) { var swidth1= window.innerWidth-230; var sheight1= window.innerHeight-170; var swidth2= document.body.clientWidth-200; var sheight2= document.documentElement.clientHeight-170; if(window.innerWidth) { //checking for browsers that support window.innerWidth document.getElementById("divone").style.width = swidth1 + "px" document.getElementById("divone").style.height = sheight1 + "px" } else if (document.body.clientWidth) { //checking for browsers that support document.body.clientWidth document.getElementById("divone").style.width = swidth2 + "px" document.getElementById("divone").style.height = sheight2 + "px" } var txt=document.getElementById("divdescr") txt.innerHTML="Some Content"; } window.onload=fitTable; window.onresize=fitTable; </script> **************************************** This script writes the text in the div <script language=javascript> function swDescrip(Jvar) { document.getElementById('divdescr').innerHTML = Jvar;} </script> ****************************************** This is the ASP code: <% RS.MoveFirst For d = 1 to recs %> <div ID=d> <% ***************************************************** What I really want is for this bit to display the image in the iframe AND write the text into the div when I click the image in RS(2) desc(d) = "<p>" & RS(1) & "</p>" Response.Write "<A HREF=" & RS(3) & " target='iframe'><img src=" & RS(2) & " width=200 height=120 border=0 onClick = javascript:swDescrip(" & desc(d)) & ") alt='click to display photo' /></a><br>" ****************************************************** %> This bit works OK if I click it but its not what I want <a href="javascript:swDescrip('<%= desc(d)%>')">click</a> ***************************************************** </div/> <% d = d+1 RS.MoveNext Next %> Hi I have a problem where I have a drop down menu above a flash banner. The drop down is being hidden by the banner when you hover over it. I added the following to stop that <param name='wmode' value='transparent'>. Its working fine in IE 6 where the drop down options are over the banner but it wont work with IE7/8 or firefox. Any suggestions for code that will work for all browsers? Code: document.write("<object classid='clsid:D27CDB6E-AE6D-11cf-96B8-444553540000' codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0' width='381' height='130'><param name='allowScriptAccess' value='sameDomain' /><param name='movie' value='/content/images/flash/abc.swf'><param name='quality' value='high'><param name='wmode' value='transparent'><embed src='/content/images/flash/abc.swf' wmode='transparent' quality='high' pluginspage='http://www.macromedia.com/go/getflashplayer' type='application/x-shockwave-flash' width='381' height='130'></embed></object>");
I am creating a popup for an online store so that when prospective customers put something in their shopping cart and then try to leave the site, they are offered a coupon in a popup. I am using the following code (FYI, uses prototype.js) Code: Event.observe(document.body, 'click', function(event) {
if (Event.element(event).tagName == 'A' || Event.element(event).tagName == 'INPUT' || Event.element(event).tagName == 'IMG') {
staying_in_site = true;
}
});
window.onbeforeunload = popup;
function popup() {
if (staying_in_site) {
return;
}
if (popup_displayed) {
return;
}
popup_displayed = true;
//popup displayed here
}
The popup is not displayed when the user clicks on a link or submits a form (correct behavior) and it is displayed when the user types in a URL or tries to close the browser (also correct behavior). The problem is when the user clicks the back or forward buttons, the popup is displayed which is not the desired behavior. Anyone here have a solution for this? Hi, I'm having some problems with some javascript events firing in the wrong order under certain workflows. Here's the gist of it: I have a form with many fields, mostly input type = text. Each field as an OnBlur and OnFocus event tied to javascript functions. IE's website (http://msdn.microsoft.com/en-us/libr...=vs.85%29.aspx) states that "The onblur event fires on the original object before the onfocus or onclick event fires on the object that is receiving focus." and that is exactly what happens when tabbing through the fields. The tricky part is that it doesn't perform this way when CLICKING to another field. When clicking to another field it performs the new field's OnFocus first, and then the first field's OnBlur event after. This is bad because the OnFocus sets a global variable's value to whatever value is in that box at the time it gets focus and if the onblur validation fails, that value is inserted back into the box. So what's happening is the validation for field 1 fails and the value from field 2 is then written into field 1. This also seems to only happen when the page is opened as a modal window as opposed to just opening the page on it's own. It doesn't happen in FireFox, I've only been able to get it to happen on IE 8 + (haven't tried any other browsers.) Anyone else have this happen to them? Does it sound like an IE bug? Thanks |
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