Double Onload Canceling Each Other
May 11, 2011
I have two javascript onloads in my form which seem to be cancelling each other out. The first- onload="checkMyBox"- works fine, which means the calendar stays hidden until the ckeckbox is clicked. However the second script that is supposed to show text ("I am an organized person") only after image is clicked does not work. It always shows the text.
I tried playing with it, and realized that if I erase the first <body onload="checkMyBox('c2','div1')"> the second onload works, meaning that the text will stay hidden until I click on image.
Code JavaScript:
<script type="text/javascript">
function checkMyBox(trigger,toggled){
var mcb = document.getElementById(trigger);
var cal = document.getElementById(toggled);
[Code].....
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Apr 9, 2006
I have code that looks like this:
function setupEventWrapper(obj) {
old_ev_handler = obj.onsubmit;
obj.onsubmit = function () {
do_something();
if (old_ev_handler != undefined) {
old_ev_handler();
}
if (event_cancelled()) {
undo_something();
}}}
it wraps the onsubmit handler (if any) within a new function which
do_something() and then calls the old event handler.
My problem is how can I detect if the event has been canceled by
old_ev_handler(). AFAIK an event can be cancelled in three ways:
* returning false, easy to check for
* setting event.returnValue = false on IE, easy to check for
* calling event.preventDefault() on DOM
How can I check if event.preventDefault() has been called?
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the imputs are to upload images, namley jpeg's for a e-greatings thing im
working on.
this only works with jpegs so i have a script that will check the value of
the imput tag to make sure it ends with .jpg, .jpeg.
this works fine on the jubmit button using
onclick="myHandler(this)"
it works fane that it alerts the user that only jpegs are valid but then
when the alert
has been ok'd it continues to submit the form to my php script.
how can i get this to cancle the submit action?
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Mar 2, 2010
quick example:
function endless(){
$("element").animate({left: '-=100'}, 1500);
$("element").slideToggle(500);
[code]....
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I have a variable to detect whether or not unsaved changes exist. however the problem is now stopping the close event if the user clicks 'cancel' in the confirmation box.
Examples of when the 'navigation' or 'browser close' should be blocked:
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here is what i have so far - and this appears to work fine in IE. Code:
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I'm having a hard time figuring out why the onload event is not being
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I wander what gets loaded the fastest (1-2 or 3) in what succession:
<head>
<script type="text/javascript">
function andAction() {
// doing stuff
}
</script>
</head>
<body onload="andAction();">
<script type="text/javascript">andAction()</script></body>
just in the head and nothing more
This I am sure off:
<head>
<script type="text/javascript">
window.onload = function andAction() {
// doing stuff
}
</script>
</head>
<script type="text/javascript">andAction()</script></body>
just in the head and nothing more (should be 1)
Third and last which is faster:
body onload or window.onload
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IE/Moz/Opera, I'm assuming it's deliberate - can anyone point me
towards where this behaviour of window.onload is defined in the
documentation? TIA. Code:
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[CODE]
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[code]....
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javascript Code:
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