js捕捉键盘事件和按键键值的方法
如下所示：
<!DOCTYPEhtmlPUBLIC"-//W3C//DTDXHTML1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<htmlxmlns="http://www.w3.org/1999/xhtml">
<head>
<metahttp-equiv="Content-Type"content="text/html;charset=gb2312"/>
<title>无标题文档</title>
</head>
<scriptlanguage="javascript"type="text/javascript">
functiontest(){
alert('test');
}
functionHotkey(event,targetObj,ctrlKey,shiftKey,altKey,keycode){
if(targetObj&&event.ctrlKey==ctrlKey&&event.shiftKey==shiftKey&&event.altKey==altKey&&event.keyCode==keycode)
targetObj.click();
}
functionfnKeyup(event){
varb=document.getElementById("myButton");
Hotkey(event,b,true,false,false,13);
}
if(document.addEventListener){
document.addEventListener("keyup",fnKeyup,true);
}else{
document.attachEvent("onkeyup",fnKeyup);
}
</script>
<body>
<inputtype="button"id="myButton"name="Submit"value="按钮"onclick="test()"/>
</body>
</html>
js键盘键值
keycode8=BackSpaceBackSpace keycode9=TabTab keycode12=Clear keycode13=Enter keycode16=Shift_L keycode17=Control_L keycode18=Alt_L keycode19=Pause keycode20=Caps_Lock keycode27=EscapeEscape keycode32=spacespace keycode33=Prior keycode34=Next keycode35=End keycode36=Home keycode37=Left keycode38=Up keycode39=Right keycode40=Down keycode41=Select keycode42=Print keycode43=Execute keycode45=Insert keycode46=Delete keycode47=Help keycode48=0equalbraceright keycode49=1exclamonesuperior keycode50=2quotedbltwosuperior keycode51=3sectionthreesuperior keycode52=4dollar keycode53=5percent keycode54=6ampersand keycode55=7slashbraceleft keycode56=8parenleftbracketleft keycode57=9parenrightbracketright keycode65=aA keycode66=bB keycode67=cC keycode68=dD keycode69=eEEuroSign keycode70=fF keycode71=gG keycode72=hH keycode73=iI keycode74=jJ keycode75=kK keycode76=lL keycode77=mMmu keycode78=nN keycode79=oO keycode80=pP keycode81=qQat keycode82=rR keycode83=sS keycode84=tT keycode85=uU keycode86=vV keycode87=wW keycode88=xX keycode89=yY keycode90=zZ keycode96=KP_0KP_0 keycode97=KP_1KP_1 keycode98=KP_2KP_2 keycode99=KP_3KP_3 keycode100=KP_4KP_4 keycode101=KP_5KP_5 keycode102=KP_6KP_6 keycode103=KP_7KP_7 keycode104=KP_8KP_8 keycode105=KP_9KP_9 keycode106=KP_MultiplyKP_Multiply keycode107=KP_AddKP_Add keycode108=KP_SeparatorKP_Separator keycode109=KP_SubtractKP_Subtract keycode110=KP_DecimalKP_Decimal keycode111=KP_DivideKP_Divide keycode112=F1 keycode113=F2 keycode114=F3 keycode115=F4 keycode116=F5 keycode117=F6 keycode118=F7 keycode119=F8 keycode120=F9 keycode121=F10 keycode122=F11 keycode123=F12 keycode124=F13 keycode125=F14 keycode126=F15 keycode127=F16 keycode128=F17 keycode129=F18 keycode130=F19 keycode131=F20 keycode132=F21 keycode133=F22 keycode134=F23 keycode135=F24 keycode136=Num_Lock keycode137=Scroll_Lock keycode187=acutegrave keycode188=commasemicolon keycode189=minusunderscore keycode190=periodcolon keycode192=numbersignapostrophe keycode210=plusminushyphenmacron keycode211= keycode212=copyrightregistered keycode213=guillemotleftguillemotright keycode214=masculineordfeminine keycode215=aeAE keycode216=centyen keycode217=questiondownexclamdown keycode218=onequarteronehalfthreequarters keycode220=lessgreaterbar keycode221=plusasteriskasciitilde keycode227=multiplydivision keycode228=acircumflexAcircumflex keycode229=ecircumflexEcircumflex keycode230=icircumflexIcircumflex keycode231=ocircumflexOcircumflex keycode232=ucircumflexUcircumflex keycode233=ntildeNtilde keycode234=yacuteYacute keycode235=oslashOoblique keycode236=aringAring keycode237=ccedillaCcedilla keycode238=thornTHORN keycode239=ethETH keycode240=diaeresiscedillacurrency keycode241=agraveAgraveatildeAtilde keycode242=egraveEgrave keycode243=igraveIgrave keycode244=ograveOgraveotildeOtilde keycode245=ugraveUgrave keycode246=adiaeresisAdiaeresis keycode247=ediaeresisEdiaeresis keycode248=idiaeresisIdiaeresis keycode249=odiaeresisOdiaeresis keycode250=udiaeresisUdiaeresis keycode251=ssharpquestionbackslash keycode252=asciicircumdegree keycode253=3sterling keycode254=Mode_switch
document.onkeydown=keydown;
functionkeydown(){
varkeycode=event.keyCode;
if(keycode==13){
alert("test");
}
}
<bodyonload="JavaScript:document.getElementById('textfield2').focus();">
以上就是小编为大家带来的js捕捉键盘事件和按键键值的方法全部内容了，希望大家多多支持毛票票~