Disable The Arrow Keys
Feb 24, 2010
Disable Arrow Keys I am creating an online flash gaming site, Aaron's Game Zone: [URL]Some of the games on it use the arrow keys, however IE also uses them to scroll the page. I am learning JavaScript and am trying to write some script to pervent the page scrolling up and down while playing a game.For example.Guardian Rock uses the arrow keys to slide around, at the same time the page scrolls.[URL]
Here is the script I've tried to write to pervent the scrolling:
<script type="text/javascript">
function KeyPressHappened(e){
if (!e) e=window.event;
[code]....
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Aug 21, 2009
I got this problem while disabling Up/Down arrow keys in Mozilla firefox browser useing javascript Given a standard HTML select/option box, I can capture any keypress while the select has focus and stop the select�s option list from changing values in IE but not in Mozilla.
[Code]....
In IE and Mozilla I have no trouble capturing the keyCode, and in IE I can prevent pressing a letter "D" and Up/Down arrows from making the list move to Dead, but the select list will drop to �Dead� in Mozilla. I've tried attaching the event handler to keyup, keydown and keypress, but have yet to find a way in Mozila to capture the keypress and prevent the select list from changing the current selection.
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Mar 25, 2007
Does anybody know why doesn't onkeypress catch up/down arrow keys
while it catches left/right arrows? My only supposition is that up/
down keys are used for moving between form elements, anyway does
anybody know any solution to this problem?
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Mar 5, 2011
I have a little problem that i hope can be solved. You start to type in an <input> field and a list of results show based on what you type, I have a list of Airports in MySQL that is check for LIKE of what is typed in and the matches show that can be selected. But you can only scroll with the mouse and not the arrow keys.
Does anyone know how I may allow arrow keys as well as the mouse to select their choice?
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Apr 13, 2009
Can someone help me get started on some browser-independent code for moving an image with the arrow keys? That is, if I press the up arrow, the image will move 10 pixels up; if I press the left arrow, the image will move 10 px left.
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Nov 8, 2006
I'm using the below to limit the input into a text box to just letters,
numbers, hyphens and full stops, but I also need to allow the backspace,
delete and arrow keys to come through. How can I do this?
<script language="JavaScript" type="text/javascript">
<!--
function onKeyPressBlockNumbers(e)
{
var key = window.event ? e.keyCode : e.which;
var keychar = String.fromCharCode(key);
reg = /^[.a-zA-Z0-9_-]*$/;
return reg.test(keychar);
}
//-->
</script>
<form>
<input type="text" onkeypress="return onKeyPressBlockNumbers(event);" />
</form>
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Aug 22, 2010
Im trying to learn how to scroll using arrow keys or hotkeys. Where you're able to use your arrow keys to move side to side and up and down.
Here are the 2 best examples of how it functions:
thinkingforaliving[dot]org/archives/4580
ffffound[dot]com (top right says hotkeys to scroll with)
Can anyone link me to how to script that? Or even if there's a proper term I should know about to search for tutorials..
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Dec 10, 2010
I am trying to assign the left and right arrows, but I cannot get the code to work. It would be great to get some help--I am a newbie to coding.
[Code]...
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Mar 6, 2011
I have three buttons on a typical page (sample page: [URL].. One goes to the previous page, one to the next, and one up a level. Can I link these buttons to 3 arrow keys to simplify navigation for the user? I thought this would be a common task, but I cannot find any canned code on the web to do it. I can code simple html, but don't know javascript.
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Sep 13, 2011
How could you say make a x move around a grid using the arrow keys?
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Oct 3, 2005
I just create a neat little AJAX google suggest style drop down, using a scrollable DIV which contains a table, now the user wants to be able to use the arrow keys to navigate the table.
Does anyone know how to do this or know of an example / tutorial on how to do this? Each row and cell has it's own unique ID.
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Oct 9, 2009
A client would like me to implement spreadsheet-style form traversal using the arrow keys on a keyboard, i.e. left arrow would submit the entry for that field and then move left by one field on the form.
The form is managed by my PHP code. Does anyone have a browser-independent method of doing this please?
All input fields in the form are single line text fields.
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Apr 26, 2010
I am implementing an "auto complete search box" much like the one Google uses. If you notice on Google, if you type a letter and the drop down box appears with the predicted terms, you are able to navigate in and select from those terms using the arrow keys on your keyboard.
In my implementation, the drop down box is really just a DIV. It is separate from the search box. How do I replicate the Google behavior?
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Dec 13, 2011
I am using the HTML5 canvas element and an image object that I move around the canvas using the arrow buttons.I would like to be able to move the image around until it reaches the top, bottom, or sides of the canvas element. I know that I need to get the position of the x, y positions of the element. I'm just not sure about the logic to compare the elements location to the sides or top or bottom of the canvas. Furthermore, not sure how i would disable to arrow button to prevent me from arrowing the object outside of the canvas.I'm testing in IEMy canvas width is 512 and canvas height is 480The object I'm moving around is an image.png that is 32 X 32I know this isn't much to go on, but I'm having difficulty coming up with how to ask the question
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Oct 21, 2011
I am trying to setup a textbox to only accept specific keys. The problem is, some of the Function keys are reading as the same values as letters.Ex.
112 - F1 - p
113 - F2 - q
114 - F3 - r[code]....
Is there another way to allow the function keys without enabling all matching letters as well?
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Oct 18, 2009
I am making a php/mysql epos system for my shop which will be run from a browser on my shop PC. I have large buttons which I would like to be able to 'click' by pressing something like the F-buttons at the top of the keyboard. Is it possible to override the standard button shortcuts for a web page. This is only going to be on my shop computer so accessibility is not a problem.
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May 18, 2011
I have two divs. One of them contains an input field the other a list of suggestions. What I would like is the ability for the user to come down in the second div with the use of the arrow key an also scroll through the list of suggestions. This is how it looks:
<div id="first"><input type="text" /></div>
<div id="second">
<ul>
<li>suggestion</li>
[Code].....
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Jul 24, 2005
I wonder if I can associate some keys (e.g. 'Ctrl+T') to some function I create with JavaScript on my webpage.
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Jul 28, 2005
I'm writing some stuff where I wish to allow the cursor keys to control
elements in a page. This has not been a problem except with Safari
which appears to duplicate the keydown and keyup events which are fired
when the cursor keys are pressed. I.e. pressing and releasing say, K,
results in one keydown event followed by one keyup event. Press any of
the cursor keys results in two keydown events followed by two keyup
events.....
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Jan 9, 2010
I'm trying to figure out how to select a value from a list that is filled dynamically using ajax auto suggest Take a look at the small code: when typing in a name by the keyboard this function is called:
[Code]...
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Sep 14, 2009
I want to block alt+f4 key using javascipt. Please give some example.
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Jan 26, 2010
Firstly, apologies for my terrible JavaScript knowledge! I'm getting there! I have an array that is made up of the results of a few SQL queries. The queries return the record id and an integer. I need to sort the results of the queries by the integer. I am trying to store them in an array, using the record is as the key, then sorting the array. However, when I try to get the data out of the array, it has changed the key!
E.g.
Original results
[10605] = 141
[10744] = 116
[18835] = 166
[15304] = 166
[Code]...
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Mar 17, 2011
I was under the impression that I and object/associative array could have other objects as the keys for properties. That is, I should be able to set myObject[anotherObject] = 1. However, while this seems to work at first glance, any new object I set as a property key overwrites the first one.Here is the result of me testing in my Chrome console:
> var obj1 = new Object();
> var obj1.someProperty = "test"
"test"
[code]....
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Oct 1, 2009
How to use the shortcut keys in jvascript? Any illustration with an example? Such as suppose on clicking the Ctrl+alt key, I want to display a prompt dialog box........How to do this?
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May 14, 2010
What I need is something as such (based on previous thread): I have a textfield and I want to limit the input to only numbers, letters and caps.
So the code is:
<input onkeydown="return testChars(event)" type="text" .../>
function testChars(e){
var keyCode = e.keyCode;
if(e.shiftKey && keyCode==53){
return false;
} //block "%"
//HERE BLOCK EVERYTHING THATS NOT a Letter, caps and numbers
if ( (keyCode > 64 && keyCode < 91) ||(keyCode > 96 && keyCode < 123) )//Letters and Caps{
return true;
}else if ( keyCode > 47 && keyCode < 58 )//numbers{
return true;
}}
The problem however using the onkeydown is that I would need to cater for every single possibility of them using SHIFT+1=*, SHIFT+2, SHIFT+3 etc. which would take forever. And I cant block Shift because they might use it for capitalizing letters.
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Mar 31, 2010
I KNOW I should know this, but it isn't working, so clearly I don't. On a form displaying an image, I have a javascript script that looks at the arrow keys.It's working. Everytime I hit a key it goes through the script.
My problem is that once I hit one of a set of keys I want to leave the form and go to the php code so I can get the next correct image. Is it just a submit? If so, what am I doing wrong?
[Code]...
I know it's hitting the script because my alert comes up. But I'm NOT leaving the form and running the php... What do I need to change?
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