JQuery :: Keydown Event - When The User Presses Keycode , Div And Form Will Fade In At The Center Of The Screen?
Jun 10, 2010
I am trying to use the jquery keydown event.I wan to fade in a div that is a form then when the user presses keycode 17 meaning control key this div and form will fade in at the center of the screen.here is the code I have:
<html>
<link rel="stylesheet" type="text/css" href="/home/main.css"/>
<script type="text/javascript" src="http://www.domain.com/pngFix/jquery-1.3.2.min.js"></script>
<script type="text/javascript"[code]...
This is in a php file and echoing the code. So the " " ignore it it's just saying to php that those are to be echoed as " " This code isn't working. I would press control key but no fade in occurs. I include this php file to all my websites webpages which are php files.
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Apr 8, 2011
I have a javascript animation built with animate(). Whenever the page is reloaded, it is playing correctly, the problem is when the user navigates away from that page and the presses the Back button to go back to the previous page with the animation. The animation does not play again, it just shows the last state (probably because it's cached/in history?). Is there any way to restart the animation after the user presses the Back button?
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Mar 4, 2006
is there any way, using javascript, to call a function when someone presses back or forward in their browser? I'm using AJAX and have a partial solution. It works but would be more efficient if this is possible.
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Jul 26, 2010
I need to find out how to center an element on a form that scrolls. I have code (below) that displays a dialog, but I can't figure out how to make sure the dialog is centered on the page when the dialog displays as the user scrolls down the page. The dialog is displayed from a click on a href tag. I thought I could get the x,y coordinates where the href was click, but can't figure out how to center since the href can be at either the upper or low end of the page when it shown.
<script type="text/javascript">
var xCoord;
var yCoord;
$(document).ready(function () {
// if user clicked on button, the overlay layer or the dialogbox, close the dialog
$('a.btn-ok, #dialog-overlay, #dialog-box').click(function () {
[Code]...
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May 14, 2010
What I am trying to do is add a list box to my site that when the user clicks on a certain item and presses submit the correct code gets sent to my cgi cart.
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Apr 8, 2010
For some reason, IE8 insists on submitting an HTTP GET request when the user presses "enter" when inside of an <input> element.It's a rather curious thing because I have an <input type="submit" /> that has an event for "click" that contains the following code:
event.preventDefault();
event.stopImmediatePropagation();
This works on Firefox - if the user presses "Enter" inside of an input element on the form, the submit button will not execute. But on IE, it does. However, if the IE user "clicks" the submit button, it does the right thing.Do I have to also override keydown events too and stop those? Why does Firefox and IE work differently here?
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Nov 29, 2011
i want to do effect (overlib) like this [URL]
but i want to display image in center of screen not on right bottom corner.
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Aug 8, 2011
How come this code ...
$(document).keypress(function(event) {
console.log(event.keyCode);
});
returns 0 after pressing the key 'a' in FireFox but 97 in Chrome?
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Aug 30, 2011
I'm trying to get a keydown function to trigger an event... The same as the onclick event I currently have working. I got the buttons to work on keydown, but I cant get them to work just like the onclick. Trying to get them to do the same thing.
[Code]...
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May 5, 2011
I must be writing this wrong.
<script type=text/javascript >
$(document).ready(function() {
if(event.charCode || event.charCode !==13) {
[code]....
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Jul 11, 2010
Let's say I have a page with a counter (with an initial value of zero) and nothing else.
Here's what I want to do:
1) I press and HOLD a key down
2) The counter goes to one
3) I let go of the key
4) The counter still reads one
[Code]...
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Mar 16, 2011
I have a form with a tick at the end of each formfield [code]...
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Dec 13, 2010
I have a popup(telerik radwindow) which is in iframe.And i wnt that popup to be opened at the center of the screen and not at the center of iframe. If I scroll the page it should reamain at the center of the screen.
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Mar 15, 2006
I am using a script to open a new window and center it on the screen (to expand a photo). The problem is that when you click the link, it opens the new small window in the top-left corner, then moves it to the center.
Is there anyway to have it just load in the center? It doesn't look professional moving mid-load.
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May 25, 2010
So I have an event handler for the KeyDown event in a Javascript file but for some reason it does not get called the first time a key is pressed. However, if a key is pressed or a mouse button clicked then the next time I press a key it does get called. Here is the relevant code:
...........................
// Other stuff
$(function()
[code]....
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Aug 17, 2011
I have a code for the keydown event:
-when you press the UpArrow key the image moves up
-when you press the DownArrow key the image moves down.....and so on
But don't forget that this is under the keydown event...so when I keep pressing the UpArrow key the image moves up but when I release the key the image still moves up. I already put the code $('myImage').stop(); on my image on keyup event but this doesn't do anything. There is a code to clear my memory from pressed keys or something?
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Mar 16, 2006
I want to make an image map (or maps) with links in certain areas of the picture (or pictures). This of course will be done in HTML. However, I want these links to be clickable only if they are in the center of the screen, like maybe in a "box" with customizable dimensions. The user will scroll around the page to navigate through the whole picture(s). If the user wants to go to a certain page, he/she will scroll the page to put the link in the center of the page and click on the link.
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Feb 3, 2011
I'm building some forms, and when they are submitted, I'd like to integrate a method that will fade out the screen a bit, and show an animated "processing" .gif. Basically when the "submit" button is pressed, the form is being submitted to it's destination. The page will hang on the form until the next page is ready to load. While it's hanging there after submitting, I'd like the screen to fade out, and display an image in the center of the screen. I'm hoping this can be achieved with CSS, as I try to use as little Javascript as possible.What's the best way to achieve this? I figure if anything a javascript "onsubmit" function will be a good start. Can the screen be faded with CSS?
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Dec 14, 2011
When I upgraded to jQuery 1.7.1 (from 1.5.x), I found that an exception was suddenly thrown on every keydown event on an INPUT type="text". I still get the exception when I remove my change and keyup events. Previously I bound to these elements with .live, but I have the same issue with the new .on, so I don't think this problem is even related to my bindings.
The exception is as follows (from the custom WebKit frame where my script runs):
This occurs on line 3255 of jquery-dev-1.7.1.js, which reads:
I did some poking around and found that handleObj.origType is "keydown". There is no jQuery.event.special["keydown"] defined, meaning that the first part of the expression evaluates to undefined (there is no such thing as {}.handle). The second part of the expression, handleObj.handler, evaluates to true. The entire expression therefore evaluates to true, which can't be applied as a function.
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Oct 20, 2005
I'm trying to figure out what key the user pressed using a Danish
keyboard layout. charCodeAt returns the correct number, but
event.keyCode returns a wrong number, when using one of the keys that
are different on a Danish keyboard layout. "-" returns 45 and 189
respectively. Etc. (The input-field in the sample code below displays
the right character).
I've tried setting the lang-parameter to 'da', but it doesn't make a
difference.
sample code:
<input type="text"
onkeyup="alert(this.value.charCodeAt(this.value.length-1));alert(window.event.keyCode);">
Am I missing something, or is the event.keyCode in IE hardcoded to an
english keyboard layout? Is there a way to automatically convert the
event.keyCode so it corresponds with the users keyboard?
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Jul 20, 2005
I have:
<div onkeypress="go(event)">...</div>
and:
function go(event) {
alert(event.keyCode);
}
but I always get 0 for the keycode.
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Apr 15, 2011
I have a requirement to force the pageUp and pageDown keys to function the same as the arrowUp and arrowDown. I believe I'm ok with IE but have issues with setting the value for FireFox ...specifically line: evt.which=38; and line evt.which=40; -the "which" seems to only have a getter-
try{
if (window.document.addEventListener) {
window.document.addEventListener("keydown", reviseKeyFunctions, false);
}else{
[Code]....
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Aug 22, 2010
I have a parent element that registered to the keydown event.somewhere down the hierarchy I have a table and some buttons. It appears that after I press the buttons, I only get the keydown event in the parent after 3 key strokes.I put breakpoints and the event is simply not called.I'm guessing this is a focus issue, but couldn't make it work.
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Nov 11, 2011
I have requirement to move focus to previous button when onkeydown event occurs on tabout from current button. Below is snippet of code.
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
<script language="Javascript">
[Code]...
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Jan 24, 2010
I am trying to handle keystrokes on a text input element, in the keydown event. I need to know what character is about to be inserted into the string. I am able to get it for almost all letters, numbers and symbols using a combination of event.shiftKey, event.charCode, and String.fromCharCode() and some hard-coded lookup tables. (i'm aware that this is probably not going to work on non-standard/non-american keyboard layouts)
Unfortunately I can't get the character for a few: question mark, angle brackets, underbar, colon, and a few others. They all have charCode of zero, and nothing else in the event indicates which is which. Other than waiting till the element's value has changed (i.e. the keyup or keypress event), what can I do to tell which key is pressed?
[Code]...
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Sep 7, 2005
Here is an answer for those who are looking for a keystroke evaluation
script that works in Internet Explorer (IE 5.5, 6.0, 7.0 for PC--IE
4.0, 5.2 for Mac), Mozilla Firefox (Windows, Linux, and Apple
Macintosh), Safari, Opera, and other off-brand web browsers.
I have gone through many groups trying to find code that didn't break
in Firefox--yet still worked in other browsers. Although many people
give input on this topic, few are correct in their handling of the
events to give the correct results across the board.
I am a Webmaster, and although I have worked with much JavaScript, I do
not claim to be an expert on this topic--so feel free to post any
improvements that you can make.
Here's the test code, this snippet designed to force numeric-only input
in any browser, with the exception of a couple keys that are still
needed for form navigation (such as Tab--although this can be tailored
to your needs by adding more exceptions):
---SNIP_01---
<script language="JavaScript">
function CheckNumericKeyInfo($char, $mozChar) {
if($mozChar != null) {// Look for a Mozilla-compatible browser
if(($mozChar >= 48 && $mozChar <= 57) || $mozChar == 0 || $char ==
8 || $mozChar == 13) $RetVal = true;
else {
$RetVal = false;
alert('Please enter a numeric value.');
}
}
else {// Must be an IE-compatible Browser
if(($char >= 48 && $char <= 57) || $char == 13) $RetVal = true;
else {
$RetVal = false;
alert('Please enter a numeric value.');
}
}
return $RetVal;
}
</script>
---END_01---
This function would then be called as follows:
---SNIP_02---
<input type="text" name="over_figure" id="over_figure" size="5"
onKeyPress="return CheckNumericKeyInfo(event.keyCode, event.which);"
value="">
---END_02---
I have personally tested this on PC, Mac, and Linux systems in every
Web browser that I can get my hands on. It's far easier than the other
scripts that I've found, and you can just add "alert('keyCode: ' +
$char)" to find any other keycodes you might want to allow if you don't
know them off-hand. Obviously there is room to add a larger exception
list if you have need of it, and it might be better to just set $RetVal
to TRUE in the else and add an else if for IE, but my use didn't
require it.
I hope it saves someone some time!
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