29 lines
496 B
JavaScript
29 lines
496 B
JavaScript
window.onload = function() {
|
|
UP = 38
|
|
RIGHT = 39
|
|
DOWN = 40
|
|
LEFT = 37
|
|
document.onkeydown = keydown
|
|
document.onkeyup = keyup
|
|
keys = []
|
|
}
|
|
|
|
function getkeycode(e) {
|
|
var keycode
|
|
if (window.event) keycode = window.event.keyCode
|
|
else if (e) keycode = e.which
|
|
else keycode = 0
|
|
return keycode
|
|
}
|
|
|
|
function keydown(e) {
|
|
var keycode = getkeycode(e)
|
|
keys[keycode] = true
|
|
document.title = keycode
|
|
}
|
|
|
|
function keyup(e) {
|
|
var keycode = getkeycode(e)
|
|
keys[keycode] = true
|
|
}
|