js 键盘事件

来源：互联网发布：巴丁算法集编辑：程序博客网时间：2024/06/14 15:32

事件绑定

document.onkeydown=function(e){    var isie = (document.all) ? true:false;    var key;    if(isie){        key = window.event.keyCode;    }else{        key = e.which;    }    if(key==37){        alert(‘left’);    }    if(key==38){        alert(‘top’);    }    if(key==39){        alert(‘right’);    }    if(key==40){        alert(‘down’);    }};

禁用某个按键

document.onkeydown=function(e){    var isie = (document.all) ? true:false;    var key;    var ev;    if(isie){        key = window.event.keyCode;        ev = window.event;    }else{        key = e.which;        ev = e;    }    if(key==9){        if(isie){            ev.keyCode=0;            ev.returnValue=false;        }else{            ev.which=0;            ev.preventDefault();        }    }};

键盘表

按键键码按键键码按键键码按键键码A65J74S83149B66K75T84250C67L76U85351D68M77V86452E69N78W87553F70O79X88654G71P80Y89755H72Q81Z90856I73R82048957

数字键盘上的键的键码值(keyCode)功能键键码值(keyCode)按键键码按键键码按键键码按键键码0968104F1112F71181979105F2113F8119298106F3114F9120399+107F4115F101214100Enter108F5116F111225101-109F6117F121236102.110    7103/111

控制键键码值(keyCode)按键键码按键键码按键键码按键键码BackSpace8Esc27Right Arrow39-_189Tab9Spacebar32Dw Arrow40.>190Clear12Page Up33Insert45/?191Enter13Page Down34Delete46`~192Shift16End35Num Lock144[{219Control17Home36;:186|220Alt18Left Arrow37=+187]}221Cape Lock20Up Arrow38,<188‘“222

*多媒体键码值(keyCode)按键键码按键键码按键键码按键键码音量加175      音量减174      停止179      静音173      浏览器172      邮件180      搜索170      收藏171

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