keycode

Javascript Keycode for a: 65 or 97?

由 扶醉桌前 提交于 2021-02-16 05:11:27
问题 I'm working with javascript (on a macbook pro OSX 10.11.x, not sure if this matters) using Chrome browser. Im using the function: window.onkeypress = function(e) { var key = e.keyCode ? e.keyCode : e.which; console.log("keypressed = " + key); } when i press 'a' key on my keyboard, it logs as 97, however this does not correspond to any other keyCode list i find on the internet, which states 'a' is 65. This is the same for other keys as well, for example, 's' for me is 115, but everyone else

JavaScript eventlistener making a character move right on arrow-right key press

由 两盒软妹~` 提交于 2021-02-11 12:52:43
问题 I have a simple JScript HTML and CSS game in which the character must jump but also move right on pressing the right arrow. I have the jump function working, but on trying to replicate it to create the right-arrow function, it doesn't work. Desired output: To correct the current code such that on pressing the right arrow, the character can also move right, as well as jump. On pressing the right arrow key, the character would keep moving right. On keyup, it would stop (do I have to actually

JavaScript eventlistener making a character move right on arrow-right key press

由 可紊 提交于 2021-02-11 12:52:23
问题 I have a simple JScript HTML and CSS game in which the character must jump but also move right on pressing the right arrow. I have the jump function working, but on trying to replicate it to create the right-arrow function, it doesn't work. Desired output: To correct the current code such that on pressing the right arrow, the character can also move right, as well as jump. On pressing the right arrow key, the character would keep moving right. On keyup, it would stop (do I have to actually

Clear textarea input after enter key press

由 和自甴很熟 提交于 2021-02-07 12:48:49
问题 I was creating some chat application using JavaScript that allows one to send a message after the enter key is pressed window.onkeydown=function(event){ if(event.keyCode==13){ sendNew(); } } and in the sendNew() function; var msg=document.getElementById('txt').value.toString().trim(); if(msg!=="") { //send message document.getElementById('txt').value = ""; } When you press the enter key when the textarea is onfocus the text is cleared but it seems to insert a new line character and the cursor

Keycode detection on AZERTY vs. QWERTY

由 你说的曾经没有我的故事 提交于 2021-01-28 07:00:20
问题 How can I in JavaScript detect the typing of a question mark on AZERTY keyboard ? On QWERTY keyboard a question mark produces the code 191, but on AZERTY it seems to produce code 188 (comma on QWERTY). Or should I distinguish between both keyboards in JavaScript, but how ? 回答1: The fastest solution I can think of is to compare the key with the actual question mark, so something like this would be a good solution. document.addEventListener('keydown', function(event) { if (event.key && event

Does Flash pre-define any keyCode constants?

由 ∥☆過路亽．° 提交于 2021-01-28 06:41:40
问题 I would have expected, given the way Adobe seems to do things, that you could reference some of the non-ASCII keycodes using a static constant, for example KeyCode.UP_KEY . Am I dreaming? Or do you just assume 38 will be the up key in perpetuity..? 回答1: I believe you are looking for the Keyboard class Keyboard.UP will refer to the up key, Keyboard.DOWN to the down key, and so on. See http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/ui/Keyboard.html for more key codes.

Disable Shortkeys when Ctrl or Shift clicked

由 旧街凉风 提交于 2020-06-11 06:27:07
问题 I am trying to disable all shortkeys when certain keys ( Ctrl / Shift ) are clicked. This is my quick snippet: $(document).keyup(function(b) { if (b.keyCode == 16) {return false;} if (b.keyCode == 17) {return false;} $("body").append(b.keyCode + " "); }); ​When ever you click Shift or Click , the keyCode number is not printed but if you click Shift + Any Letter , the keyCode of the letter is printed. Example: http://jsfiddle.net/javascript/K4sCx/7/ 回答1: You can determine if a "special keys"

keypress being deprecated, how to get the characters typed by a user?

由 眉间皱痕 提交于 2020-05-29 10:38:46
问题 The javascript keypress event is deprecated: https://developer.mozilla.org/en-US/docs/Web/API/Document/keypress_event Some people advise to rely exclusively on the keydown event, eg.: Keydown is the only keyboard event we need https://www.mutuallyhuman.com/blog/2018/03/27/keydown-is-the-only-keyboard-event-we-need/ The problem is that keydown and keypress are not synonymous. Critically, they do not return the same character in many/most cases. Keydown represents which key on the keyboard was

Unity贪吃蛇游戏制作过程

由 萝らか妹 提交于 2020-04-06 08:21:24
成果展示 操作步骤 新建一个2D工程项目，导入资源包 。新建三个文件夹，分别命名为“Scene”，“Prefebs”和“Scripts”，用于存放游戏场景，制作的预制件和脚本。 新建一个plane，命名为BackGround，附上资源包中的Ground材质。添加一个灯光，给游戏场景打光。新建一个Cube，命名为SnakeHead，附上SnakeHead材质。新建一个Cube，命名为SnakeBody，附上SnakeBody材质，并拖入Prefebs文件夹。再新建一个Cube，命名为Food，附上Food材质，拖入Prefebs文件夹，由于后期食物随机产生。在BackGround中新建四个空项目，当作游戏场景的边界，当蛇碰到边界或者自己的身体的时候，游戏结束。注意：要删去背景的Box Collider组件，否则蛇身会一直碰到背景，导致游戏无法运行。 新建一个脚本，命名为MoveSnake，通过这个脚本让贪吃蛇动起来。脚本内容如下： using System.Collections; using System.Collections.Generic; using UnityEngine; using System.Linq; using UnityEngine.SceneManagement; public class MoveSnake : MonoBehaviour { List

js 绑定的键盘事件

由 纵饮孤独 提交于 2020-04-03 08:21:33
在全局绑定键盘事件 　　document.onkeydown = function(event){ //在全局中绑定按下事件 　　　　var e = event || window.e; 　　　　var keyCode = e.keyCode || e.which; 　　　　switch(keyCode){ 　　　　case 27: 　　　　　　alert(111); 　　　　　　break;　　　　 　　}　　 } 真记不住键码值，记录一下，脑子不提好使，记不住。 来源： https://www.cnblogs.com/chenyudi/p/11187218.html
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