html键盘松开事件

来源：互联网发布：mysql 主键从0开始编辑：程序博客网时间：2024/05/18 17:25

<HTML><HEAD><TITLE>html键盘松开事件</TITLE></HEAD><BODY><script type="text/javascript">function up(e, o){var idName = o.id.split('-');var x = parseInt(idName[0]);var y = parseInt(idName[1]);if(e.keyCode == 37){ // 左y -= 1;}else if(e.keyCode == 38){ // 上x -= 1;}else if(e.keyCode == 39){ // 右y += 1;}else if(e.keyCode == 40){ // 下x += 1;}if(x < 1)x = 1;if(x > 2)x = 2;if(y < 1)y = 1;if(y > 3)y = 3;  var abcd = document.getElementById(x + '-' + y);  abcd.focus();}</script><input id="1-1" type="input" onkeyup="up(event, this)"/> <input id="1-2" type="input" onkeyup="up(event, this)"/> <input id="1-3" type="input" onkeyup="up(event, this)"/><br><input id="2-1" type="input" onkeyup="up(event, this)"/> <input id="2-2" type="input" onkeyup="up(event, this)"/> <input id="2-3" type="input" onkeyup="up(event, this)"/><br>按上下左右键来看看效果</BODY></HTML><script type="text/javascript">   window.onload = function(){   var a = document.getElementById('1-1');   a.focus();}</script>

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