Nullyfing Events In A HTML
Aug 11, 2005
I am trying to do the following,
1. Get a piece of HTML from a db
2. Display it on my page
with a requirement - clicking on any links in that HTML should not take
me away from the page.
This does not only include links which are formed by <a>nchor tags, but
also other ways of doing it, like,
<span onClick='location.href="http://someurl"'> Blah blah..
</span>
In other words, all the events that can be raised by this piece of html
should be blocked.
Setting all the 'onClick's and 'href's to "#" or blank string is
probably a good idea to start with, but the list of all such possible
causes for an event to be raised, may not be very straightforward to
compile.
I was wondering if there could be any way to nullify/block the events
that can be raised by such a piece of HTML.
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Apr 22, 2006
I have been trying to do the following. Using JS I want to create an
input element (text box) and attach a event listener. I have done in
in two different ways. The first is using xml elements directly (as in
e4x) and the second using the dom method createElement (which is much
clunkier to write). I'd prefer the former. I've included a stripped
down example below.
It appears that when creating an input element using the line:
var inputBox = <input type="text" size="30" />
that it does not have the same properties as when it is created with:
var inputBox2 = document.createElement("input");
because when an event listener is attached using addEventListener, an
error is generated on the first, but not the second.
My thoughts on this are either
1. The namespace for the input element is not correct and whether input
can have a listener attached. However, my guess is that it would not
show up in the first div box. Code:
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Sep 15, 2011
Can we have two onFocus javascriptscript events for single HTML Tag?
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Jun 24, 2007
In the following code I am trying to print out the value of document.body.onclick from javascript:
<BODY onclick="alert('ok')">
...
<script type="text/javascript">
alert(document.body.onclick);
</script>
...
</BODY>
However, the alert in Javascript code prints out "undefined" when I open this page and not the actual value of onclick.
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Apr 25, 2009
when is bind some jquery events to, for example, <p id="test">. and later i remove this HTML with jquery should i unbind all events first or are they unbinded with removing the html?
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Oct 17, 2010
I'm using some click events on normal <a> tags. When I rewrite the links within a html() method call, the click events no longer work. I've set up a very simple example here:When the page is loaded, clicking either of the 'link 2' links displays the correct information.When 'link 1' is then clicked, the main information is redisplayed. However, now, the 'link 2' link in the main paragraph doesn't work, although the 'link 2' link in the menu does.
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Mar 11, 2010
Some stage setting: I have a table, and some of the columns in the table have a class (removed some columns for brevity):
<table id="OrderDetails" width="100%" cellpadding="0" cellspacing="0" class="listtable">
<tr>
<td class="pagejump" id="row_0" align="center"><img src="JumpBullet.png"/></td>
[code]....
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Feb 15, 2011
I have been trying to use jquery function .html() but I noticed that it clears all events that are attached to the selectors. Is there a way around this issue? I want to change the content and keep the events.
I am aware of live and delegate functions but I am making changes to an external page so I do not have control over attaching events or knowing what they are at the first place.
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Oct 27, 2009
I have a problem with jQuery appending new text to a div - but then not firing events attached to the inserted text.Let me explain. I have a div that contains a number of divs - the div has a link and a hidden form. Clicking on the link fires a slideToggle event which reveals the form.When you submit the form AJAX handles it and jQuery builds another div with the correct link and the correct form which it sticks on the end of the list. That all works fine and dandy.What I want to be able to do is to click on the newly-added link and have it behave in the same way as the other elements that were on the page when it was built. However, nothing happens when you click on it. Zip. Nadda. Rien du tout.Usually I have found a way round the problem - but I am slightly stuck on my current project. Apart from forcing a page reload, is there any way to get the browser to see the newly inserted link and apply the jQuery action to it?
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Sep 7, 2010
still have a problem with the following code:
<ul>
<li><a class="open-page" href="/somewhere.html">link1</a></li>
<li><a class="open-page" href="/elsewhere.html">link2</a></li>
</ul>
[Code].....
i also tried to use .live() - nothing. the links where opened by thecommon way browser handle this anchors - follow the link ;)
how to handle these added elements?
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Oct 20, 2010
I've used to an AJAX call to load a HTML table into div. This is working successfully. I know want to use a click event on buttons located within the inserted table.
The click event is triggering on buttons outside the inserted table but not on the buttons within the table.
Do I need to call some sort of refresh function to so that jQuery is able to pick up these events?
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Jul 21, 2010
I am trying to "ajaxify" my site. Now I have one problem:
$("#posts").children().remove();
$("#tag-sidebar").children().remove();
$.each(data.Tags_Sidebar, function (indexInArray, valueOfElement) {
var insert = $("<li>");
[Code]......
Now when I click one of those links (href1, href2, href3) generated, the click event won't execute! What's the problem? Also, is it right that I have to transfer the valueOfElement over, like I did? What does stopEventPropagation do? Prevent the href from being navigated to? That's what I am trying to do.
The data object is JSON fed from here:[URL]
The HTML is here: [URL]
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Dec 4, 2010
I have just started my adventure with jQuery. I wrote a post on a forum and a men wrote me:"Don't mix javascript with the html of the view as in your <body onLoad="load()">, but put it in a different javascript file thatyou include. In the JQuery tutorial there are example of how to attach events to DOM elements without "touching" the html. "I know how to put my javaScript code to the a ****.js file but I don't can not find any information how to do:attach events to DOM elements without "touching" the html. I was looking for a tutorial here but I couldn't find
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Feb 4, 2011
I have a series of images with an animation bound to mouseover and mouseleave events, and I'm trying to get my head around adding a click event that would prevent the mouseleave animation from occurring only for the image that was clicked, preserving everything else as is (until another image is clicked). I've discovered .stop() and I think I'm getting close, but some part of the logic is still escaping me.
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Sep 24, 2009
I've got 2 pages: a current events page and a past events page the current events page loads fine as there is only about 10 events the past events page takes about 30 seconds to load and will crash if u click your mouse in the loading time.
The pages are near identical the only difference is the query that selects the events (> versus <)
The page loads immediately without:
But when i put it back in the above happens. I'm using jQuery.roundedcorners.
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Jan 11, 2011
It's pretty common to assign a click even to a <div> (or other tag), such as:
Code:
// JQuery
$(document).ready(function(){
$("div").click(function(){[code]....
Of course this event won't be accessible from the keyboard, which might be nice. Now if it where an <a> tag, you can do this:
Code:
$(document).ready(function(){
$("a").click(function(e){
alert("clicked");
e.preventDefault();
});
});
The click event will fire if you click the <a>, OR if you tab to it with your keyboard and hit Enter.My question is: is there a way to make elements other than <a> tags accessible in this way? I recently discovered if you define a tabindex on your div, such as <div tabindex="0">test</div>, you can tab to that div, but click events don't seem to fire if you use your keyboard. Are <a> tags the only tags that can work in this way?
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Jan 12, 2006
This works wonderfully in Firefox, but when it runs for the first time in IE it only creates the field, but won't create any attributes for the events. When debugging the events are null. How can I get this to work in IE. Code:
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Dec 23, 2005
I am currently creating a small user object that will control some events which will be passed and store some data such as point values. Currently I am having some difficulties with the event method handleMouseDown with any property defined in the object. Code:
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Sep 8, 2007
I have a general question regarding events. I have a container div, and many divs within it. Without attaching an event to each of the divs, can i attach an event to the container div, and somehow attain which div within it was the event fired over.
I am following the standards, and also do not to need to be concerned about IE, and its issues.
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Jul 23, 2005
I'm having some difficulties with a menu I'm making. I build up the
menu through DOM. I append childnodes to a tree. 2 types of children
are possible: url (a hyperlink) and sub (a submap).
The tree is thus of a structure
main
|-url1
|-url2
|-submap
|--url21
|--url22
To open up the submaps I set the onclick event to a function I
created:
itemnode.onclick=function() { openMap(itemnode) }
The problem now is that 1 click in a submap results in several times
the openmap function. A click on the url21 node is in fact a click on
a child of submap so the function in the onclick event of this submap
is called. But it is also a click on a child of main, so this onclick
function is also called.
How can you limit that the onclick event handler is only called on the
1 node (ic. submap) where you actually clicked on submap instead of
its urls?
Full code listing below....
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Jul 23, 2005
I have an object
<button id=summer>
Now I want to dynamically set an event for this object:
function foo()
{
}
myobject = document.getElementById("summer");
myobject.onClick = foo;
Problem is that I want to give the function an argument. "foo(this)" instead
of just "foo".
How can I achieve that?
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Jul 23, 2005
I want to make my site more dynamic... but i dont find out how this works...
On my site there is at the left side the navigation bar and at the rigt side
i want to put a photo. The photo should change when someone puts the cursor
over the links in the left side.
Does anybody kno how this works?
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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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Jun 6, 2006
I know some JavaScript mouse events are:
onClick, onMouseOver, onMouseOut, onMouseDown and onMouseUp.
Are there more like:
onMousePress, onMouseDrag, onMouseMove
In Java there are:
mouseClicked, mouseEntered, mouseExited, mousePressed, mouseReleased,
mouseDragged, mouseMoved and mouseWheelMoved.
Also in Java can detected which mouse button (left, middle or right)
has pressed, released or dragged.
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Jul 20, 2005
is it possible to find out if function F5 (reload) button was pressed ?
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May 2, 2009
I'm doing a tutorial from a book to drag and drop elements on a page into a shopping cart. I had everything working fine in IE until I added the function for key presses. What it should do is when 1 is clicked, the first item is moved into the cart, and if I press 1 again the item goes back to where it started.
The function that's giving me problems is keyDrag (at the bottom). I included the other functions in case you need to see them because keyDrag calls them. The error I'm getting in IE is "object expected" and it's at the line marked below in the keyDrag function.
What happens when I press 1 is the item that's supposed to go to the cart appears at the cursor as if I clicked and dragged it. But if I drag it manually into the cart, and then press 1, it will snap back to its original place without problems.
Code:
<script type="text/javascript" language="javascript">
if(isNS) document.captureEvents(Event.MOUSEDOWN | Event.MOUSEMOVE | Event.MOUSEUP);
document.onmousedown = grabIt;
document.onmousemove = moveIt;
document.onmouseup = dropIt;
[Code]...
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