js有没有什么函数可以输出判断键盘的按下的ASCII码
js有没有什么函数可以输出判断键盘的按下的ASCII码？
[解决办法]
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>无标题文档</title></head><body><input type="text" id="demo" />CODE:<span id="charCode"></span><script type="text/javascript">document.getElementById('demo').onkeypress = function(e) { var e = e || event; document.getElementById('charCode').innerHTML = e.keyCode || e.which || e.keyChar;}</script></body></html>