<body onkeydown="(function(e){if (!e) e = window.event;switch (e.keyCode | e.which | e.charCode) {case 13:alert('囧');break;}})(event);"></body>
IE,FireFox,Chrome浏览器的keyCode
<body onkeydown="(function(e){if (!e) e = window.event;switch (e.keyCode | e.which | e.charCode) {case 13:alert('囧');break;}})(event);"></body>
《IE,FireFox,Chrome浏览器的keyCode》等您坐沙发呢！