<script>function keyUp(e) { var currKey=0,e=e||event; currKey=e.keyCode||e.which||e.charCode; var keyName = String.fromCharCode(currKey); alert("按键码: " + currKey + " 字符: " + keyName); } document.onkeyup = keyUp;</script>
转载于:https://www.cnblogs.com/zhujiasheng/p/6120680.html
