Questions tagged [keydown]

"keydown" is an event used in writing software that is triggered when a key on the keyboard is being pressed. It usually precedes the event "keyup".

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keydown on document is not working when clicked on page?

I am using $(document).keydown(function (event) { alert(event.keyCode); }); This function works great when the page is loaded..Now when i click on any part of the page and then when i press any key this event is not firing and alert does not…
Ravi Tuvar
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Unbind (override) keydown event

I wrote a simple WordPress plugin the other day that saves a post and shows a preview. Here is the javascript. jQuery(document).ready(function($){ if (document.cookie.indexOf("previewCookie") >= 0){ //expires added for IE …
FajitaNachos
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Javascript addeventlistener working without parameters

I was looking for javascript documentation and found this const log = document.getElementById('log'); document.addEventListener('keydown', logKey); function logKey(e) { log.textContent += ` ${e.code}`; } I don't understand how logkey function…
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why Task delay not working in Window_KeyUp and Window_KeyDown methods?

I have three buttons. The timer should have started when I pressed any of the 3 optional buttons. For example. When I press the blueHeadTopBtn button, the timer starts. If I press one or both of the remaining 2 buttons in 1 second, it gives value to…
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why is my square (snake) only moving diagonally?

I am coding 2 snakes/cars and my first snake/car, which use the WASD keyboard format, works perfectly. But my second snake/car, which uses the arrow keys, is only moving diagonally. I want both snakes/cars to move in every direction (up, down,…
i'm sorry
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Is it possible when i click a link that it does the same action when you press a specific key?

I have a slider that when you press left or right key arrow, the carroussel moves to the prev or next image. Is it possible that if i click a div or a link or something it does the same as if i was pressing one of the arrow keys? Thanks!
Vander
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WinForms Canvas KeyDown event not fired

Canvas KeyDown Event not working I have set KeyPreviou on my form to true. I have set canvas Focusable to true. I Focus on my canvas control when Mouse is pressed Any info on this matter did not help me. Any ideas?
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How to use window's keydown listener for keys Chrome uses as shortcuts?

Strange problem I've come across running this code in Google Chrome: window.addEventListener('keydown', function (event) { console.log(event) }) While I see the log for some keys ("w", "a", "s", spacebar, "esc", for example) - other keys do not…
Jona
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Textbox can't scan many number, just can Scan one number Barcode only

When I scan the barcode, it just shows me the one number barcode in the database only. My other long number barcodes no show out private void textBox4_KeyDown(object sender, KeyEventArgs e) { if (e.KeyCode == Keys.Enter) …
LauTan
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c# form keydown(changing variable)

I have a problem. I want to change this variable when I press an arrow key on a keyboard. int rev = 0; So I came up with this public void Form1_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e) { switch (e.KeyValue) { …
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Why is my WPF KeyDown handler not catching CTRL+A?

I have a ListView with the following KeyDown event handler: private void ListViewOnKeyDown(object sender, KeyEventArgs e) { if (e.Key == Key.A) { Debug.WriteLine("KeyDown is A"); if (Keyboard.IsKeyDown(Key.LeftCtrl) ||…
ProfK
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HTML textboxes are not working

I want to redirect from current to nextpage on F1 button click. The page redirects properly, but the textboxes of the current page are not working. $(document).ready(function () { $("body").keydown(function (e) { e.preventDefault(); …
CodingFriend
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C# Windows Forms PictureBox moving with Keys (w,a,s,d) doesnt work because wrong selection? (Coding NewBie)

I'm planning on doing a Jump and Run, so I need a moving pictureBox if I press W / A / S / D or something like that. I'm currently using the source code down there. The Problem I have right now is, that I've got a lot of Buttons, other Picture…
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Key combination (CTRL + F9) causing calling method which should be called only when F9 is pressed

I'm working on WPF application, and I'm showing modal/form when Key Combination is pressed, so in my case it is CTRL + F9, so here is my code: //Listening on Window_PreviewKeyDown any key pressing private void Window_PreviewKeyDown(object sender,…
Roxy'Pro
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wpf keyDown in while loop

I am working on project called IAT. In two words, there are 2 categories in top corners (left, right), and a list of words, connected with these categories, randomly showed in the center of screen (1 word matches only one category). After word is…