keyevent

问题 Possible Duplicate: Which keycode for escape key with jQuery How to detect escape key press in IE, Firefox and Chrome? Below code works in IE and alerts 27 , but in Firefox it alerts 0 $(\'body\').keypress(function(e){ alert(e.which); if(e.which == 27){ // Close my modal window } }); 回答1: Note: keyCode is getting deprecated use key instead. function keyPress (e) { if(e.key === "Escape") { // write your logic here. } } Here is jsfiddle keyCode is Getting deprecated It seems keydown and keyup

问题 I am doing this assignment, make a program that solves sudoku. I have a panel with a grid of SudokuTextBox extends JFormattedTextField. I have a MaskFormatter so that it only accepts one integer per text box. Then in my panel I have this code when a key is relesed. public void keyReleased(KeyEvent e) { SudokuTextBox tb = (SudokuTextBox) e.getSource(); int row = tb.getRow(); int col = tb.getCol(); int value = toInteger(tb.getText()); //System.out.println(value); if(sudoku.isValid(row, col,

问题 I\'m using KeyListeners in my code (game or otherwise) as the way for my on-screen objects to react to user key input. Here is my code: public class MyGame extends JFrame { static int up = KeyEvent.VK_UP; static int right = KeyEvent.VK_RIGHT; static int down = KeyEvent.VK_DOWN; static int left = KeyEvent.VK_LEFT; static int fire = KeyEvent.VK_Q; public MyGame() { // Do all the layout management and what not... JLabel obj1 = new JLabel(); JLabel obj2 = new JLabel(); obj1.addKeyListener(new