JS判定按键按键
//按键判定;
<script type="text/javascript">
function keyValue(myEvent){
if (document.all)myEvent=event;
version=navigator.appVersion;
if (version.indexOf("MSIE")==1){ if(myEvent.which==37){alert("你按下的按键代码值为:向左")};if(myEvent.which==39){alert("你按下的按键代码值为:向右")}}
else{if(myEvent.keyCode==37){alert("你按下的按键值为:向左")};if(myEvent.keyCode==39){alert("你按下的按键值为:向右")}
}
}
document.onkeydown=keyValue;
</script>