jquery写法
keyCode: IE、Chrome支持,在FF下,keyCode返回非字符按键的Unicode,如果是字符按键返回始终为0。
which: FF,Chrome支持;在IE下,which和charCode始终为undefined ,jquery方式下和keyCode值相同。
charCode: Chrome支持,在FF下,非字符键返回0,如果是字符按键返回Unicode
<!DOCTYPE html> <html> <head> <title></title> <meta charset="utf-8"> </head> <body> <script src="http://code.jquery.com/jquery-latest.js"></script> <script type="text/javascript"> $(function(){ $(document).on("keypress ",function(e){ var currKey=0,CapsLock=0; // var currKey=e.keyCode||e.which||e.charCode; var currKey=e.which; var CapsLock=currKey >=65 && currKey <=90; $("#type")[0].innerHTML=e['type']; $("#currKey")[0].innerHTML=String.fromCharCode(currKey); $("#Decimal")[0].innerHTML=currKey; $("#keyCode")[0].innerHTML=e['keyCode']; $("#charCode")[0].innerHTML=e['charCode']; $("#caps")[0].innerHTML=CapsLock; $("#altKey")[0].innerHTML=e['altKey']; $("#shiftKey")[0].innerHTML=e['shiftKey']; $("#ctrlKey")[0].innerHTML=e['ctrlKey']; $("#repeat")[0].innerHTML=e['repeat']; $("#which")[0].innerHTML=e['which']; }) }) </script> <p>请按下任意键看测试效果:</p> type:<span id="type"></span><br /> 当前Key:<span id="currKey"></span><br /> Decimal:<span id="Decimal"></span><br /> keyCode:<span id="keyCode"></span> <strong>注:IE、Chrome支持,在FF下,keyCode返回非字符按键的Unicode,如果是字符按键返回始终为0</strong><br /> which:<span id="which"></span> <strong>注:FF,Chrome支持;在IE下,which和charCode始终为undefined ,jquery方式下和keyCode值相同。</strong><br /> charCode:<span id="charCode"></span> <strong>注:Chrome支持,在FF下,非字符键返回0,如果是字符按键返回Unicode</strong><br /> 大写:<span id="caps"></span><br /> altKey:<span id="altKey"></span><br /> ctrlKey:<span id="ctrlKey"></span><br /> shiftKey:<span id="shiftKey"></span><br /> repeat:<span id="repeat"></span><br /> <style type="text/css" media="all"> body {color:#999;font:normal 14px tahoma,宋体,Geneva,Arial,sans-serif;} span {color:#f00;font-weight:bold;padding:0 5px;} strong {color:#090;font-weight:normal;padding:0 5px;} </style> </body> </html>