Check For Support For Hover On Non <a> Elements
Jul 23, 2005
Problem I began with: Netscape/Opera supports hover for different elements,
IE only supports hover for <a> and I want to use hover for <td class="menu">
I then found a fix using some Javascript here:
http://webpages.charter.net/mmmbeer...rbitrary-hover/
It works ok for IE now.
Problem I now have: I don't want the script to run in a browser that does
support hover for <td>.
In other words I noticed that the script was still running for Netscape and
Opera - but I would prefer to let those browser's native hover support to
work since I notice that in some cases the script can introduce lag at
loading time.
I don't want to sniff for IE: I know how unreliable browser sniffing is. I
would rather sniff for the lack of hover support.
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Oct 6, 2006
I'm trying to do the right thing. I currently have a page that doesn't
have any JavaScript and the page works. The page works with CSS on or
off. Now I would like to add some JavaScript to enhance the page. The
JavaScript will rearrange some of the DOM and use CSS.
I am willing to put in the effort to try to ensure that the JavaScript
doesn't do anything if necessary JavaScript support for full
functionality is not available. This seems like a difficult task. I
will do the DOM rearranging onload but before doing this rearranging I
will have to check that even the code in the event handlers will work.
Like I will have to do something like this
if ( /* check every function I need is available */ ) {
// All my JavaScript here
}
Is the best way to do this?
It would be an equal failure if the JavaScript does anything if the CSS
is disabled. Can I check that the CSS is on?
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Jan 10, 2006
I am developing a web-application which will start telephone-calls using a special protocol (callto: or phone:)
There will be two groups of users, one with a phone-client installed and support for the protocol,
and one without this client.
So I need to write a javascript-function to check if the callto: or phoneto: protocol is available on the client.....
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Jul 15, 2010
I get an error when I try to dynamically add an attribute to some elements, since I been getting the error "Object doesn't support this property or method" in IE I reduced the attribute value to just alert.
Code JavaScript:
Note that in firefox all the elements with the class boxcontainer gets "hello world" alert. I removed this specific code (shown above) out of the page and the error in IE goes away, so I'm 100% sure nothing else is causing it.
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Sep 9, 2010
Im trying to get 2 elements to execute some effect individually at the same time on a hover.Ive looked at .animate but if I understand it correctly I can do multiple effects but still limited to that single element.[code]So basically Im just trying to get 1st & 2nd on hovers to happen at the same time and 1st and 2nd off hovers to happen at the same time.
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Jun 15, 2009
Trying to make code that adds a hover event to all html elements within a certain container. On hover the element should be outlined by adding/removiing a css class. Thats the first thing and I can't get that to work with the code below.
The second part is to keep the element outlined when its clicked, and also when selecting multiple elements by (ctrl+click).
Have searched for a outline plugin, but came up with nothing.
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Jun 7, 2009
I currently have this (Using jQuery):
My problem is that when I hover over info1 and one of its sub elements (p or a), it activates the onmouseout effect. Only though when I cross that invisable box line that surrounds them.
So the effect is this constant mouseover/mouseout effect when I hover over the sub elements (Once I hover over the sub elements, img1 shows, but then I mouseover that so info1 starts to show).
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Apr 21, 2010
I have a grid that uses RowAltRow as the classes for the rows...is there a way to have the hover applied to both instead of having to define it twice (or more)?
[Code]...
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Oct 30, 2009
I have a drag and drop box. Don't know how to solve one problem. How to check if a drag and drop box have child elements?
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Oct 12, 2007
I have a form with many fields... the fields are getting values from a
database.
I've tried onunload to just submit the form regardless of changes or
not but onunload and submit isn't working for me. Now I need some
type of event that will fire when a user tries to navigate from a page
to check to see if anything has changed and if so prompt them
(confirmation) to take action or not.
I know that the reset button only takes away anything that was added
to fields after the load so there must be some way to use the logic of
reset to simply check to see if fields have changed, right?
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Apr 10, 2011
I have a form that is a regular form but in some cases it might be empty.
<form id="myform"></form>
or it might have some elements
<form id="myform"><input name="X" value="X" /><input name="Y" value="Y" /></form>
What is the proper way to count or check if the form has say inputs, select, textarea, etc..., or check if it's empty?
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Mar 10, 2010
I was wondering if anyone has figured out a near-perfect way to check if the client has all the elements fully loaded? Not talking about all the css and text loading and the event triggers while the client is viewing images load: I mean the event auto-triggers after all the images are fully loaded, along with the css, text content, etc.
(P.S. Not talking about AJAX. Literally when somebody visits a page itself, the elements all completely load first, then the event fires.)
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May 12, 2011
I have an array of list boxes. I need them to become disabled if the first one is checked (with an id of disabler_0), and I need them to be enabled if that box is unchecked. Right now it doesn't work.
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.0/jquery.min.js"></script>
<script>
[Code]....
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Mar 31, 2011
Let me start by saying javascript is a weak point for me. I have a form with hierarchical data (in this case users, who have galleries, which have albums, which have images) now the form will be out put from a database query and look something like this:
[Code]...
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Mar 6, 2009
I think this is just a dumb question, I'm missing some basic logic here about jquery "grammar".
I'm trying to do an image swap on hover that checks to be sure the thumbnail is not the active thumbnail. So mouseover, it swaps. Mouseout, swaps back, unless the thumb has been clicked.
Here's a snippet of the code that doesn't work:
How do I check that _li is not ".active" and replace the src if it isn't?
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Jan 28, 2009
I want a function that when you check on a check box another check box appears.
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Jun 4, 2011
Umm, this is a tricky one to add a descriptive title for!
Basically I have two links on the page that go to the same page when clicked. What I want to do is when I hover over one of those links for the hover to work for both of them and visa versa.
So I have this links
<a class="connected" href="">Connected</a>
<a class="remove" href="">Remove</a>
a.connected { background: url(../images/connected.png) no-repeat 0 top; }
a.connected:hover { background: url(../images/connected.png) no-repeat 0 bottom; }
[Code]....
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Oct 4, 2011
Here is the HTML: [URL] I'm trying to uncheck the selected radio button, then set the value to 1 (Yes), basically overwriting theinitialvalue to 1. I've looked at prop(), val(), and attr(), and just don't know where to start. Should I select $('#set_q157 input') or$('#set_q157 input:radio'), or each individual radio?
Do I need to each them, and check if its checked, then change its value, or is there a way to select all three inputs as just one radial button? It would also need to work if the input has not yet been checked.
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Mar 29, 2006
i have a list of checkboxes, the number of checkboxes is dynamic. All the checkboxes have same name. i am trying to get the length of selected checkboxes.
<input type=checkbox name=name1 value=1>
<input type=checkbox name=name1 value=2>
........ get dynamically.
when i try to get the length in javascript like document.form.name1.length, it works fine if number of checkboxes selected are more than 1, but not for 1.
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Mar 11, 2010
I have a code that I got from a tutorial website. The goal is when someone clicks the first check box with the value of yes then the two other sets of check boxes will autmatically be checked for no.
The issue is their are three sets of 2 check boxes each.
So here is my code code I am trying to use
PHP Code:
Here is my form code
PHP Code:
So Ideally when a representative clicks that the customer has three services (clicks the Yes checkbox) all the other checkboxes will default to No.
How I would change the above javascript to do this.
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Nov 9, 2011
I am a php programmer and not a Javascript programmer and I am trying to help a friend out with his shopping cart. The original programmer (who wrote this years ago and is no longer around) has a button that looks up the quantities in the database for the submitted items, and then displays a prompt if you selected a quantity that is less than the minimum purchase amount.The issue is if the user enters a smaller amount than allowed and hits the enter key instead of the "Buy" button, it allows the order.how to use the current code to also check for an Enter key submission.I can handle the PHP and the db lookup for minimum quantities. Here is the page code and the Javascript code.
Code:
<a href="javascript:checkQuantity(document.form<?php echo $formCount; ?>,
<?php echo $row_rsProduct['lotQty']; ?>,
[code]....
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Jul 18, 2009
I have an .asp page for my customers which does just accepts e-mail information and passes this information to another .asp page. But before passing the info, a javascript checks whether the entered e-mail does match some certain rules. Rule1: If any input has been made at all, Rule2: If an "@" sign is there, if the"." is there and so on. upon pressing the submit button, the first rule works but the second rule does not. Could not figure it out why.
[Code]...
It is the function control() which validates the e-mail field. But it just validates whether the e-mail has been entered or not. The second check (with the @ sign) is not being made.
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Feb 10, 2006
I am looking for a way to embed an IM window into a web page, so that
users can easily send an IM to a support person. I am looking for
something free and easily implemented, that doesn't require any client
download on the user's system. And supports one of the major IM
services like Gtalk, AIM, YIM, ICQ, etc.
Basically I want to provide very very simple answering of questions, so
along the lines of LivePerson without the cost and extra features.
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Apr 9, 2007
From what I've read, the JavaScript/DOM support is pretty good for
handhelds, but trying a simple page which works on the desktop doesn't
work on pocket IE on the device. I know scripting isn't completely
disabled, because I can use a script block to write a string, but I
haven't been able to call a function to change the string either from a
form button click or by adding another script block that calls the
function. Both of those work on the desktop. In fact, using a script
block to call the function doesn't even work on my device when the
string value is written statically in the HTML (so it doesn't have
anything to do with using the document.write). Code:
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Oct 24, 2007
I have a textarea and I would like to prevent users from inserting HTML tags. Only plain text is supported. Which client-side js regular expression is best for this?
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Aug 24, 2009
Let me introduce free PHP IDE with available JQuery plug-in (paid):
Codelobster PHP Edition ([url]) - has all standart abilities for editing code
- PHP/HTML/CSS/JavaScript highlighting, autocomplete, code structure
- PHP debugger
- code folding, tooltips, help and etc.
And it has special JQuery features:
- autocomplete for JQuery library
- context and dynamic help for JQuery library
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