js通过keyCode值判断单击键盘上某个键,然后触发指定的事件方法
当单击按键时触发事件
document.onkeydown=function(e){
e=e||event;
if(e.keyCode==13){//判断是否单击的enter按键(回车键)
document.getElementByIdx_x_x("txtid").click();
returnfalse;
}
}
解释：keycode的值表示对应键盘的那个键
keycode 8=BackSpaceBackSpace
keycode 9=TabTab
keycode 12=Clear
keycode 13=Enter
keycode 16=Shift_L
keycode 17=Control_L
keycode 18=Alt_L
keycode 19=Pause
keycode 20=Caps_Lock
keycode 27=EscapeEscape
keycode 32=spacespace
keycode 33=Prior
keycode 34=Next
keycode 35=End
keycode 36=Home
keycode 37=Left
keycode 38=Up
keycode 39=Right
keycode 40=Down
keycode 41=Select
keycode 42=Print
keycode 43=Execute
keycode 45=Insert
keycode 46=Delete
keycode 47=Help
keycode 48=0equalbraceright
keycode 49=1exclamonesuperior
keycode 50=2quotedbltwosuperior
keycode 51=3sectionthreesuperior
keycode 52=4dollar
keycode 53=5percent
keycode 54=6ampersand
keycode 55=7slashbraceleft
keycode 56=8parenleftbracketleft
keycode 57=9parenrightbracketright
keycode 65=aA
keycode 66=bB
keycode 67=cC
keycode 68=dD
keycode 69=eEEuroSign
keycode 70=fF
keycode 71=gG
keycode 72=hH
keycode 73=iI
keycode 74=jJ
keycode 75=kK
keycode 76=lL
keycode 77=mMmu
keycode 78=nN
keycode 79=oO
keycode 80=pP
keycode 81=qQat
keycode 82=rR
keycode 83=sS
keycode 84=tT
keycode 85=uU
keycode 86=vV
keycode 87=wW
keycode 88=xX
keycode 89=yY
keycode 90=zZ
keycode 96=KP_0KP_0
keycode 97=KP_1KP_1
keycode 98=KP_2KP_2
keycode 99=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
以上这篇js通过keyCode值判断单击键盘上某个键,然后触发指定的事件方法就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持毛票票。